Gear Couplings Catalog

User Manual: GearCouplingsCatalog

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JW

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Gear

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MC

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■■ Nyflex® and Mite®

G

■■ C Types – Continuous Sleeve

MC

In This Section:

HP

■■ F Types – Flanged Sleeve

HP

■■ Dentex®
■■ R Types – Rigid Adjustable
GD

GD
D

D

■■ Coupling Grease

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SP

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VSD

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www.lovejoy-inc.com

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G-1
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HP

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Gear

HP

Safety Warning
When using Lovejoy products, you must follow these instructions and take the following precautions. Failure
to do so may cause the power transmission product to break and parts to be thrown with sufficient force to
cause severe injury or death.

GD

GD

D

D

T

T

SP

SP

Refer to this Lovejoy Catalog for proper selection, sizing, horsepower, torque range, and speed range
of power transmission products, including elastomeric elements for couplings. Follow the installation
instructions included with the product, and in the individual product catalogs for proper installation of power
transmission products. Do not exceed catalog ratings.
During start up and operation of power transmission product, avoid sudden shock loads. Coupling assembly
should operate quietly and smoothly. If coupling assembly vibrates or makes beating sound, shut down
immediately, and recheck alignment. Shortly after initial operation and periodically thereafter, where
applicable, inspect coupling assembly for: alignment, wear of elastomeric element, bolt torques, and flexing
elements for signs of fatigue. Do not operate coupling assembly if alignment is improper, or where applicable,
if elastomeric element is damaged, or worn to less than 75% of its original thickness.

UJ

UJ

Do not use any of these power transmission products for elevators, man lifts, or other devices that carry
people. If the power transmission product fails, the lift device could fall resulting in severe injury or death.

VSD

VSD

R

R

For all power transmission products, you must install suitable guards in accordance with OSHA and
American Society of Mechanical Engineers Standards. Do not start power transmission product before
suitable guards are in place. Failure to properly guard these products may result in severe injury or death
from personnel contacting moving parts or from parts being thrown from assembly in the event the power
transmission product fails.
If you have any questions, contact the Lovejoy Engineering Department at 1-630-852-0500.

SLD

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G-2

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Table of Contents

MC
G
HP

HP

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D
SP

SP

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T

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VSD

VSD

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R

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117

G

Overview........................................................................................................................................................118.............................G-4
Selection Process..........................................................................................................................................126...........................G-12
Application Service Factors > Selection Data...............................................................................................127...........................G-13
Gear Coupling Selection Worksheet.............................................................................................................128...........................G-14
Continuous Sleeve > Cut Away.....................................................................................................................129...........................G-15
C and CFR Type > Performance / Dimensional Data....................................................................................130....................G-16 / 17
CMM Type > Performance / Dimensional Data.............................................................................................132....................G-18 / 19
CFS Type > Performance / Dimensional Data .............................................................................................134....................G-20 / 21
CSPCR Type > Performance / Dimensional Data.........................................................................................136....................G-22 / 23
CCS Type > Performance / Dimensional Data..............................................................................................138....................G-24 / 25
CSHP Type > Performance / Dimensional Data............................................................................................140....................G-26 / 27
Nylex® and Mite® Type > Performance / Dimensional Data.........................................................................142................... G-28 / 29
Dentex® Type > Performance / Dimensional Data........................................................................................144....................G-30 / 31
C Universal Hub > Dimensional Data............................................................................................................146...........................G-32
Flanged Sleeve > Cut Away..........................................................................................................................147...........................G-33
F Type > Performance / Dimensional Data...................................................................................................148....................G-34 / 35
FFR Type > Performance / Dimensional Data...............................................................................................150....................G-36 / 37
FFS Type > Performance / Dimensional Data...............................................................................................152....................G-38 / 39
FHD Type > Performance / Dimensional Data..............................................................................................154....................G-40 / 41
FHDFR Type > Performance / Dimensional Data.........................................................................................156....................G-42 / 43
FHDFS Type > Performance / Dimensional Data..........................................................................................158....................G-44 / 45
FMM Mill Type > Performance / Dimensional Data.......................................................................................160....................G-46 / 47
FMM Mill Motor Type > Performance / Dimensional Data.............................................................................162....................G-48 / 49
FSL Type > Performance / Dimensional Data...............................................................................................164....................G-50 / 51
FSXL Type > Performance / Dimensional Data.............................................................................................166....................G-52 / 53
FSPCR Type > Performance / Dimensional Data.........................................................................................168....................G-54 / 55
FLEF Type > Performance / Dimensional Data.............................................................................................170....................G-56 / 57
FRR Type > Performance / Dimensional Data..............................................................................................172....................G-58 / 59
FLA Type > Performance / Dimensional Data...............................................................................................174....................G-60 / 61
FLAFR Type > Performance / Dimensional Data..........................................................................................176....................G-62 / 63
FLAMM and FLAMMFR Type > Performance / Dimensional Data................................................................178....................G-64 / 65
FA Type > Performance / Dimensional Data.................................................................................................180....................G-66 / 67
RA and RAHS Type > Performance / Dimensional Data...............................................................................182....................G-68 / 69
F Universal Hub and Puller Holes > Dimensional Data.................................................................................184...........................G-70
F Flange and Hub Gap Details > Dimensional Data.....................................................................................185...........................G-71
Continuous Sleeve > Overview.....................................................................................................................186...........................G-72
Flanged Sleeve > Overview..........................................................................................................................188...........................G-74
Standard Flanged Sleeve Maximum Bores Inch / Metric > Dimensional Data..............................................190...........................G-76
Rigid Hub Maximum Bores – Interference Fit  > Dimensional Data..............................................................191...........................G-77
Coupling Grease............................................................................................................................................192...........................G-78

ED

Section
Page No.

MC

Running
Page No.

www.lovejoy-inc.com

JIS

Gear

G-3

Gear
Lovejoy / Sier-Bath Continuous Sleeve and Flanged Sleeve Couplings
JW
JIS

JIS

JW

Overview

MC

Flanged Sleeve Series

Features

Features

MC

■■Simple and inexpensive all steel type of gear coupling constructed with a
single sleeve and 2 hubs

■■Patented Vari-Crown® tooth form for long coupling life

■■Comparatively simple installation

■■All steel sleeves and hubs (stainless steel available)

■■Precision cut 20° pressure angle gear teeth with minimum backlash

G

G

SF

SF

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Continuous Sleeve Series

■■Most standard configurations are available as stock items

GD
D
T

■■Interference fit (standard) and Clearance fit on bores are available

■■Designs for applications requiring horizontal and vertical orientation,
full-flex, flex-rigid, mill-motor, disengagement, sliding hubs, Shear Pin,
floating shaft, and spacers

■■Load capacities range from 7,600 in-lbs up to 47,269,000 in-lbs

■■Patented and tested BUNA N seal design with reinforced washers
bonded to the inside edges which positively retain lubricant and seal the
interior from outside contaminants

■■Standard bolts supplied by Lovejoy are treated to be corrosion resistant
■■Flanged sleeve couplings are interchangeable with industry standards
■■Piloted gear fit for higher speeds and less vibration

■■Two snap rings made of hardened spring steel which securely hold the
coupling together, are easy to install or remove, yet withstand 100,000
pounds of end thrust

■■Labyrinth all steel seal design in FL series
■■Inch and Metric bore sizes available

SP

■■Inch and Metric bore sizes available

Misalignment and End-Float Capability

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UJ

■■Exposed bolts standard on all sizes, shrouded available by request up
to size 6

■■Reinforced rubber seals with snap rings to hold in lubricant

T

Lovejoy / Sier-Bath couplings are stocked in an assortment of configurations
which include C and F standard hubs and sleeves, Mill Motor hubs, Vertical
style, Floating Shaft, and Spacer designs. Lovejoy’s superb engineering
staff make it possible to support many additional coupling types such as the
Brakedrum type, Sliding Hub type, Shear Pin type, Jordan type, and custom
lengths for non standard shaft separations. Additional size ranges and
designs to meet unusual application requirements can also be manufactured
by Lovejoy to meet market demands. Material can range from standard
steel to alloy steel and even stainless steel. The exceptional simplicity of the
Lovejoy coupling design make this all possible.

VSD

VSD

■■Angular misalignment of 1-1/2° per gear mesh (flex-plane) up to size 5.5,
3/4° for sizes 6 and above

■■Load Capacities range from 2,500 in-lbs up to 2,520,000 in-lbs

D
R
SLD

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R

■■Most standard configurations are available as stock items

■■Coupling sizes available through size 30 to accommodate bore sizes up
to and including 44 inches

Standard Types and Sizes

The basic principle of Lovejoy / Sier-Bath C and F type couplings is similar
to that of other conventional flexible gear couplings. While it is desirable to
align shafts as accurately as possible, the purpose of any flexible coupling
is to absorb probable angular, parallel, and axial (end-float) misalignment.
Lovejoy/Sier-Bath couplings utilize a unique gear tooth geometry developed
specifically to resolve issues with shaft misalignment and accommodate
from 1/2° to 1-1/2° per gear mesh or flex plane. The hub teeth are fully
crowned to provide for a larger contact area and lower stresses under
misaligned conditions. The crowned tooth design also eliminates most of
the end loading that occurs on straight gear teeth under misalignment.

WARNING

You must refer to page G-2 (Page 116) for Important Safety Instructions and
Precautions for the selection and use of these products. Failure to follow the
instructions and precautions can result in severe injury or death.

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■■Designs for applications requiring horizontal and vertical orientation

■■Interference fit (standard) and Clearance fit on bores are available

GD

SP

■■Sizes 7/8 through 12, to accommodate bore sizes up to and including
12.50 inches

HP

HP

■■Angular misalignment of 1/2° per gear mesh (flex-plane)

■■Precision cut 20° pressure angle gear teeth with minimum backlash

G-4

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Gear
Overview
JW

JW

Lovejoy / Sier-Bath Nyflex® and Mite®

JIS

JIS

Lovejoy / Sier-Bath Nylon couplings are compact and require no
lubrication. They operate over a wide temperature range at speeds up
to 5,000 RPM and are effectively used in applications such as Motor/
Generator sets, pump sets, and many light to medium duty industrial
coupling applications.

■■Molded nylon sleeve

MC
G
HP
GD

GD

■■No internal frictional loss or heat buildup
■■Minimum backlash

HP

Features

2 Hubs
Sintered iron is
standard in the
Nyflex and Mite.
Teeth are crowned
to provide greater
misalignment
capacity and to
prevent gouging
of Nylon sleeve.
Maintain 0.13 inch
spacing between
hubs.

G

When completely assembled, the Mite coupling weighs less than 1lb and
the Nyflex only 3.50 lbs. Weights for Dentex® couplings can be found on
page G-30.

Nylon Sleeve
Resilient,
lightweight,
abrasion and
corrosion resistant
nylon is accurately
molded to mesh
precisely with
hubs. Their
almost frictionless
properties eliminate
the need for
lubrication.

MC

2 Spirolox
Retaining Rings
Sleeve is securely
held on the hubs
by these springsteel retaining
rings. They can
be removed in
seconds, yet they’ll
withstand 5,000 lbs
endthrust.

SF

Operationally, the coupling offers a minimum backlash solution that will
operate in ambient temperature environments from -40° to 150° F. Nylon
Sleeve couplings have precision molded sleeves and hubs with no bolts,
pins, flanges, or protrusions to affect balance or safety. The nylon sleeve
permits misalignment up to 5° for Dentex and Nyflex couplings and 3° for
the Mite.

SF

CJ

CJ

No lubricants are ever required, eliminating the need for seals. The resilient
nature of the nylon material makes the contact of the hubs and sleeves
almost frictionless. Since no lubrication is used, the coupling can readily be
adapted to many applications including vertical and blind installations where
the slip-together components offer easy inspection and adjustment.

■■High ambient temperature allowed

D

D

■■Resistance to dirt, moisture, most chemicals
■■Low maintenance (no seals, lubricant, retainers)
■■High torque, low intertia

T

T

■■Standard bores are available

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UJ

Features

SP

SP

Dentex® / Dentex® FL - The Flexible Coupling

Compensation of axial, radial and angular misalignment
of shafts through double cardanic action

VSD

■■High electrical insulating property

VSD

■■Simple and easy assembly
■■High thermal stability
■■No maintenance

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R

SLD

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www.lovejoy-inc.com

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Gear
Lovejoy / Sier-Bath Continuous Sleeve
Series Couplings
JW

JW

Overview

JIS

JIS

Standard C Type
■■Basis for all types of Lovejoy / Sier-Bath Continuous Sleeve
Couplings

C Type
CFR Type

Section Pages G-16 and G-17

■■Single (flex-rigid) or double (flex-flex) engagement

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CJ

■■Low profile compact design is easy to implement

■■Designed with longer universal hub on one end to accommodate
straight or tapered shafts

SF

SF

Mill Motor CMM Type

CMM Type
Section Pages G-18 and G-19

■■Available with longer universal hubs on both ends

Floating Shaft CFS Type

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G

■■Universal hub bored to customer specifications

MC

MC

■■Standard hub and sleeve on the other end

■■Two flex-rigid couplings connected by an intermediate shaft
■■Allows for longer shaft separations

HP

HP

■■Increased capability to accommodate parallel misalignment
CFS Type
Section Pages G-20 and G-21

■■Drop-out spacer design allows for ease of maintenance without
disturbing the equipment mountings

GD

GD

Spacer CSPCR Type

T

■■Allows for longer shaft separations
CSPCR Type
Section Pages G-22 and G-23

Cut-out Shifter CCS Type

T

■■Designed for quick disengagement between the driver and driven
equipment
■■Special seal in disengagement hub to prevent undue friction when
hub turns in sleeve

SP

SP

■■Increased capability to accommodate parallel misalignment

D

D

■■Spacer has rigid teeth to mate with sleeves on each coupling

■■Available with pins to maintain sleeve in engaged and disengaged
positions

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UJ

■■Widely used on dual drive operations and equipment operating in
tandem
CCS Type
Section Pages G-24 and G-25

Shear Pin CSHP Type
■■Designed to limit and protect against excessive torque or sudden
shock loads

R

R

VSD

VSD

■■Shifting mechanisms available upon request

■■Sheer pins designed and manufactured for predetermined loads
CSHP Type
Section Pages G-26 and G-27

■■Easy to install new pins

SLD

■■For Flanged FSHP Style see page G-8

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SLD

■■Pins are inserted in hardened bushings to minimize wear

G-6

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Gear
Overview
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Series
Couplings
Standard F Type

JIS

JIS

■■Double engagement (‘F’ flex-flex) for parallel and angular
misalignment

SF

SF

■■FHD Type standard for sizes 10 through 30 (other sizes available
upon request)

CJ

■■Industry standard flange bolt patterns

Section Pages G-34 and G-35
Section Pages G-36 and G-37
Section Pages G-40 and G-41

CJ

F Type
FFR Type
FHD Type

■■Single engagement (‘FFR’ flex-rigid) accommodates angular
misalignment only and is ideal for floating shaft applications

MC

MC

Rigid-Rigid FRR Type
■■Designed for connecting two rigidly mounted shafts with no
misalignment capability

G

Alloy Rigid-Rigid FARR Type

G

FRR Type
Section Pages G-58 and G-59
FARR Type	Contact Lovejoy Technical Support

■■Longer piloted hubs maintain rigidity and concentricity

HP

HP

■■Used for cantilevered loads such as gear boxes that hang off
conveyor systems
■■Alloy steel available for greater strength (FARR)

GD

GD

D

D

Mill Motor FMM Type
■■First hub designed with longer universal hub on one end to
accommodate straight or tapered shafts

FMM Type

T

T

■■Second hub bored to customer specifications

Section Pages G-46, G-47,
G-48 and G-49

■■Standard design accommodates AISE Mill Motor frame sizes

SP

SP

■■Sleeves and second hub are standard

Floating Shaft FFS Type

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UJ

■■Two flex-rigid couplings connected by an intermediate shaft
■■Increased ability to accommodate parallel misalignment

VSD

■■Standard construction with rigid hubs on outboard (equipment)
shafts, flex on inboard (floating) shaft

VSD

FFS Type
Section Pages G-38
and G-39

■■Accommodate longer shaft separations

FHDFS Type
Section Pages G-44
and G-45

R

R

■■Rigid hubs inboard (on floating shaft) available upon request

Spacer FSPCR Type

SLD

SLD

■■Drop-out spacer design allows for ease of maintenance without
disturbing the equipment mountings

FSPCR Type
Section Pages G-54 and G-55

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■■Lightweight construction reduces load on equipment bearings

www.lovejoy-inc.com

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Gear
Overview
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JW

Slide FSL and FSLX Types
■■Allows for a predetermined amount of axial slide
FSL Type
FSLX Type

JIS

Section pages G-50, G-51,
G-52 and G-53

■■Custom slide lengths available

CJ

CJ

JIS

■■Longer hubs and sleeves available to accommodate additional
slide capacity

■■Designed to limit and protect equipment against excessive torque
or sudden shock loads
■■Shear pins designed and manufactured to shear at predetermined
torque loads

FSHP and FSHPB Type
Contact Lovejoy Technical Support

MC

MC

SF

SF

Shear Pin FSHP and FSHPB Types

■■Pins are inserted in hardened bushings to minimize wear
■■Available with bearing support to maintain alignment after the pins
shear

HP

HP

G

G

■■Easy to install new pins

■■Designed for use with vertical shafts

GD

GD

Standard Vertical FVX Type
FV and FVX Type
Contact Lovejoy Technical Support

■■Vertical kit prevents shafts from contacting each other
■■Available in vertical floating shaft design

D
T

T

D

■■Maintains ability to accommodate misalignment

FLEF Type

SP

SP

Limited End Float FLEF Type
■■Designed for equipment with sleeve bearings

Section pages G-56 and G-57

■■Designed to limit axial travel of the rotor in the motor and prevent
the rotor from coming into contact and damaging sleeve bearings

UJ

UJ

VSD

VSD

R

R

SLD

SLD

ED

ED

G-8

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Gear
Overview
JW

JW

Lovejoy / Sier-Bath All Metal Labyrinth Seal
Series Couplings

JIS

JIS

■■ All AISI 4140 Alloy Steel Design
■■ No rubber seals – metal labyrinth design
■■ Standard with exposed bolts
■■ Fully interchangeable with Industry standards
■■ Ideal for higher temperature applications

CJ

CJ

FLA Type

Section Pages G-60 and G-61

FLAFR Type

Section Pages G-62 and G-63

FLAMM Type

Section Pages G-64 and G-65

FLHD Type

Contact Lovejoy
Technical Support

MC

MC

■■Industry standard flange bolt patterns

SF

■■Double engagement (‘F’ flex-flex) for parallel and angular misalignment

SF

Standard FLA Type

Single Engagement FLAFR Type

HP

HP

G

G

■■Single engagement (‘FFR’ flex-rigid) accommodates angular
misalignment only and is ideal for floating shaft applications

Mill Motor FLAMM Type

GD

GD

■■First hub designed with longer universal hub on one end to
accommodate straight or tapered shafts
■■Standard design accommodates AISE Mill Motor frame sizes

T

T
SP

SP

Lovejoy Forged Steel Series

D

■■Sleeves and second hub are standard

D

■■Second hub bored to customer specifications

Standard FLHD Type

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UJ

■■Piloted Sleeves
■■Exposed Bolts Standard

VSD

VSD

■■Excellent for high torque at low speeds
■■Bore range from 7.75 inches up to 44.88 inches
■■Torque capacity up to 54,390,000 in-lbs
■■Alloy Steel (AISI 4140) construction available

R

R

SLD

SLD

Single Engagement FLHDFR Type

FLHDFR Type Contact Lovejoy
Technical Support

■■Capacities the same as FHD

ED

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■■Ideal for heavy duty floating shaft applications

www.lovejoy-inc.com

123

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Gear

■■All alloy steel construction
■■Fully molded seals maintain lubricant retention under misalignment
conditions
■■Exposed bolts are standard, shrouded bolts are optional

JIS
CJ

CJ

JIS

Lovejoy Alloy Steel Series Couplings
JW

JW

Overview

■■Double engagement (‘F’ flex-flex) for parallel and angular
misalignment

SF

SF

Standard FA Type
FA Type

Section Pages G-66 and G-67

FAFR Type

Contact Lovejoy
Technical Support

■■Industry standard flange bolt patterns

MC

MC

G

G
■■Single engagement (‘FFR’ Flex-Rigid) accommodates angular
misalignment only and is ideal for floating shaft applications

GD

Mill Motor FAMM Type

D

GD

D

HP

HP

Single engagement FAFR Type

FAMM Type

■■Second hub bored to customer specifications

T

T

■■First hub designed with longer universal hub on one end to
accommodate straight or tapered shafts
■■Standard design accommodates AISE Mill Motor frame sizes

Contact Lovejoy
Technical Support

UJ

UJ

SP

SP

■■Sleeves and second hub are standard

Additional Specialty Coupling Types
■■Nylon Sleeves

VSD

VSD

■■Stainless Steel
■■High Speed RAHS Type
■■Insulated FI Type

R

R

■■Brake Drum FBD and FBW Types
■■Vertical Floating Shaft FVFS Type
■■F Style Cutout Shifter FCS Type

SLD

SLD

ED

ED

G-10

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Gear
Overview
JW

JW

Vari-Crown® Tooth Form

CJ

CJ

With straight hub teeth, there is a high concentration of load under
misaligned conditions. As misalignment increases, more of the load is
carried by the ends of the teeth, resulting in premature breakdown and
coupling failure.

JIS

JIS

Straight

SF

SF

G

HP

HP

G

Some manufacturers use a conventionally crowned hub tooth known
by various trade names. Regardless of the nomenclature, however, the
contour of the tooth is a segment of an arc. Under all operating conditions,
equal or similar contact areas between the hub teeth and the sleeve teeth
exist.

MC

MC

Conventional Crown

Lovejoy / Sier-Bath Vari-Crown®

D

GD
D

GD

The Sier-Bath Vari-Crown tooth form has a crown at the center of the tooth
which is similar to a conventionally crowned tooth coupling. However,
as soon as misalignment occurs, the transmitted torque is carried on a
flattened area of the hub tooth which is considerably broader and stronger
than the conventionally crowned tooth form. Note the larger contact area
and reduced stress area of the Vari-Crown tooth form.

T

T

Constant Velocity Power Transmission

UJ
VSD
R

The tooth design requires less backlash for a given angle of misalignment
than the conventional or circular arc crown. In many applications this is a
desirable feature in a gear tooth coupling.

SLD
ED

ED

Note: 	 n 1 indicates: Hertz’s study of contact stresses of curved surfaces.

www.lovejoy-inc.com

SLD

Lovejoy / Sier-Bath’s solution to these facts was the development of the
patented Vari-Crown tooth form. The Vari-Crown tooth form is a curve
with constantly changing radii of curvature. The tooth contact area
under misaligned conditions has a much larger radius of curvature than
conventional crowning. The contact area is larger, thus reducing the unit
stress.

Less Backlash

125

R

Lower Stresses

1. Constant normal base pitch at any position on the crowned teeth.
2. Correct pressure angle matching of the normal to the curved surface and
the sleeve surface at any position of misalignment.

VSD

■■Gear tooth couplings have fewer teeth in contact as misalignment
increases.

Lovejoy / Sier-Bath produces the Vari-Crown tooth form by a generating
method maintaining the necessary characteristics for conjugate tooth action,
which are:

UJ

■■It can be shown that bodies with the smallest relative curvature have
the largest area of contact under load, or specifically, a body with the
largest radius of curvature has the largest area of contact with another
body when under load. More importantly, under a given load the bodies
with the greater radii of curvature have lower induced surface contact
stresses.
1

SP

Facts

SP

Patented Vari-Crown® Tooth Form for Long Life

G-11

Gear

JIS
CJ

The following is a list of the information necessary to assist in making a coupling
selection. Not all of these items will come into play in all selection processes. These
items include, but are not limited to:
Application related:
• Application details
• Type of motor and driven equipment
• Motor horsepower or KW
• Operating/coupling speed
• Shaft sizes and separation
• Space and size constraints
• Environment (temperature, chemicals, etc)
• Balance requirements
• Special modifications

Step 4:  Compare the required total torque value with the nominal torque capacity
listed in the Gear Coupling Selection chart for the desired coupling type.

G
HP

Step 5:  Check that the maximum bore size and the maximum RPM of the coupling
type selected to ensure the coupling will meet these application requirements.
Step 6:  Note any special requirements including the BSE dimension for floating shaft
and spacer types, shear pin torque, slide coupling details, mill motor tapered
shaft data, and any other pertinent information.
Consult with Lovejoy Technical support or Engineering for any unique application
concerns.

Selection Example (Flanged Gear Coupling)
GD

GD

HP

Application Data: This sample application calls for a coupling to connect the output
side of a reducer gearbox to a dredge pump. There is a 400 HP electric motor,
running at 3,600 RPM driving the gearbox which has a 10:1 speed reduction. The
gearbox has a 6 inch diameter shaft, the pump has a 6-1/2 inch diameter shaft. There
is an angular misalignment potential of slightly more than 1°.

Please note that any speed decrease at the reducer (gear box) will cause an
increase in the application torque.

D

D

Refer to the gear coupling specifications charts displayed with each type of coupling
throughout the Gear Coupling Products section of this catalog. The pictures and charts
provide visualization, specifications, and dimensional data for Lovejoy’s wide range of gear
coupling products. Typically start with an F Type flanged gear coupling (page G-34) or a C
Type continuous sleeve gear coupling (page G-16) and proceed from there.

G

Application Torque ( in-lbs )  =  
         (HP x 63025)  =  (400  x  63025)  =  70,028 in-lbs
                RPM	                     360

Step 1:  Since C Type gear couplings are only capable of 1/2° misalignment per flex
plane, the F Type coupling is selected. The F Type coupling is capable of
accommodating 1-1/2° per flex plane. Note, it is highly recommended that
couplings are installed at no more than 20% of the allowable misalignment
since the alignment often changes during operation.

T

T

or		      Nm  =  (KW x 9550)
                                                 RPM

MC

Selection Torque  =  Application Torque x Service Factor =
			
70,028   x   2.0      = 140,056 in-lbs
An F 3.5 coupling is rated at 151,200 in-lbs and could easily accommodate
the torque requirement, however, to accommodate the 6-1/2 inch pump
shaft diameter the selection of an F 5E size coupling will be necessary.
The F 5 coupling is rated at 434,700 in-lbs and may seem to be too
large or overrated for this application, but the larger size is necessary to
accommodate the shaft size.

SP

SP

Application Torque ( in–lb )   =  (HP x 63025)
        		             RPM

SF

Step 2: R
 efer to page G-34 and G-35 for Flanged series (F Type) double
engagement, or flex-flex, coupling information. The bore size and torque
should be addressed interactively when selecting a coupling size.

UJ

UJ

Step 2:  Determine the nominal application torque in in–lbs by using the following
formula:

Step 3:  Review the Application Service Factor chart for the service factor number
associated with the application where this coupling will be used. Multiply the
application torque by the application service factor to determine the total
torque required for the coupling selection.

Steps In Selecting A Gear Coupling

Step 3: T
 he application service factor can be found on page G-13. Application
service factors are multipliers assigned to assorted applications for the
purpose of guiding the coupling selection process to a torque rating that will
prevent premature failure caused by the characteristics of that application.
For this sample application, note that the service factor for a dredge pump
application is 2.0.

VSD

VSD

Step 1:  Review the gear coupling series and type as selected to ensure the selection
meets application requirements.

CJ

SF

Factors Affecting Selection

JIS

MC

Gear Coupling Selection Process
JW

JW

Selection Process

Step 4: Calculate the torque requirements for the application using the formula:

R

R

SLD

In this example, a gearbox is in use that reduces the operating speed
where the coupling is being used from 3,600 RPM on the input side to 360
RPM on the gearbox output side.

SLD

or	                  Nm  =  (KW x 9550)
		                RPM
Selection Torque =  Application Torque  x  Service Factor

ED

Design Torque ( in–lbs )  =  HP x 63025
		                        RPM

ED

G-12

Step 5: C
 onfirm that the RPM is within range specified for the selected coupling. The chart
shows the F 5 has a 2,500 RPM maximum speed and this will accommodate the
360 RPM speed requirement on the output side of the gearbox.
Step 6: P
 lease refer to the coupling specifications on page G-34 and G-35.  Note
that F 5E couplings are manufactured with interference fits and exposed
bolts as standard. When contacting your sales representative, the
description for this coupling would be an F 5E gear coupling and include the
bore size, keyway information, and shaft separation. Also, provide a list of
any requirements that might supersede the coupling defaults.
Special Note: If the shaft separation is greater than specified in the chart on Page
G-35, refer to the Floating shaft or Spacer style couplings on pages G-39 or G-55. If
the desired shaft separation, or BSE, is not listed, contact Lovejoy Technical Support
for assistance.
Please refer to the Lovejoy website for installation instructions and lubrication
requirements for gear couplings.

126

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Gear

Application Service Factors

SP

JIS
CJ
SF
MC
G
HP
GD
D
T
SP

T
UJ

UJ

D
VSD

VSD

GD
R

R

HP

SLD

SLD

ED

ED

127

G

www.lovejoy-inc.com

MC

Notes: 	 n  1 indicates: If people are transported, Lovejoy does not recommend and will not warranty the use of the coupling.
n  Values contained in the table should be used as a general guide and are to be applied to smooth power sources such as electric
motors and steam turbines.
n  For drives involving internal combustion engines add 1.0 to the values listed.

SF

Mixers
Concrete Mixers, Continuous...................1.5
Concrete Mixers, Intermittent...................2.0
Oil Industry
Oil Well Pumping.....................................2.0
Rotary Kilns..............................................2.0
Paper Mills
Agitators, Mixers......................................1.5
Barker Auxiliaries, Hydraulic....................2.0
Barker Mechanical...................................2.0
Barking Drum Spur
	     Gear Only............................................2.0
Beater & Pulper......................................1.75
Bleacher...................................................1.0
Calenders.................................................2.0
Calenders, Super.....................................1.5
Chippers...................................................2.5
Coaters....................................................1.0
Converting Machines,
	   except Cutters, Platers..........................1.5
Conveyors................................................1.5
Couch Roll.............................................1.75
Cutters, Platters.......................................2.0
Cylinders................................................1.75
Disc Refiners..........................................1.75
Dryers....................................................1.75
Felt Stretcher.........................................1.25
Felt  Whipper............................................2.0
Jordans..................................................1.75
Line Shaft.................................................1.5
Log Haul...................................................2.0
Pulp Grinder...........................................1.75
Press Roll.................................................2.0
Reel..........................................................1.5
Stock Chests............................................1.5
Suction Roll............................................1.75
Washers & Thickeners.............................1.5
Winders....................................................1.5
Printing Presses............................................1.5
Pumps
Centrifugal................................................1.0
Reciprocating
	   Single Acting 3 or more
	      Cylinders............................................1.5
Double Acting 2 or more
	      Cylinders............................................2.0
Rotary, Gear Type, Lobe
	     Vane....................................................1.5
Rubber Industry
Mixer........................................................2.0
Rubber Calender......................................2.0
Screens
Rotary, Stone or Gravel...........................1.5
Steering Gear................................................1.0
Stokers...........................................................1.0
Textile Industry
Dryers......................................................1.5
Dyeing Machinery....................................1.5
Windlass........................................................2.0

CJ

Machine Tools
Bending Roll.............................................2.0
Punch Press, Gear Driven.......................2.0
Tapping Machines....................................2.0
Main Drives..............................................1.5
Auxiliary Drives........................................1.5
Metal Mills
Draw Bench—Carriage............................2.0
Draw Bench—Main Drive.........................2.0
Forming Machines...................................2.0
Slitters......................................................1.5
Table Conveyors
	     Non-Reversing..................................2.25
	     Reversing............................................2.5
Wire Drawing &
	   Flattening Machine................................2.0
Wire Winding Machine...........................1.75
Metal Rolling Mills
Blooming Mills......................................... 2.5
Coilers, hot mill........................................2.0
Coilers, cold mill.......................................1.5
Cold Mills.................................................2.0
Cooling Beds..........................................1.75
Door Openers..........................................2.0
Draw Benches..........................................2.0
Edger Drives..........................................1.75
Feed Rolls, Reversing Mills.....................3.5
Furnace Pushers......................................2.5
Hot Mills...................................................3.0
Ingot Cars................................................2.5
Kick-outs..................................................2.5
Manipulators............................................3.0
Merchant Mills..........................................3.0
Piercers....................................................3.0
Pusher Rams...........................................2.5
Reel Drives............................................1.75
Reel Drums..............................................2.0
Reelers.....................................................3.0
Rod and Bar Mills.....................................3.0
Roughing Mill Delivery Table....................3.0
Runout Tables..........................................2.5
Saws, hot & cold......................................2.5
Screwdown Drives...................................3.0
Skelp Mills................................................3.0
Slitters......................................................3.0
Slabing Mills...........................................1.75
Soaking Pit Cover Drives.........................3.0
Straighteners............................................2.5
Tables, transfer  & runout.........................2.5
Thrust Block.............................................3.0
Traction Drive...........................................3.0
Tube Conveyor Rolls................................2.5
Unscramblers...........................................2.5
Wire Drawing.........................................1.75
Mills, Rotary Type
Ball.........................................................2.25
Dryers & Coolers......................................2.0
Hammer.................................................1.75
Kilns.........................................................2.0
Pebble & Rod...........................................2.0
Pug.........................................................1.75
Tumbling Barrels......................................2.0

JIS

Agitators
Pure Liquids.............................................1.0
Liquids—Variable Density........................1.0
Blowers
Centrifugal................................................1.0
Lobe.........................................................1.2
Can Filling Machines....................................1.0
Car Dumpers.................................................2.0
Car Pullers, Intermittent Duty......................1.5
Compressors
Centrifugal................................................1.0
Reciprocating...........................................2.2
Multi-Cylinder...........................................2.0
Single Cylinder.........................................2.0
Conveyors, Uniformly Loaded  or  Fed
Assembly.................................................1.2
Belt...........................................................1.2
Screw.......................................................1.2
Conveyors, Heavy Duty
Not Uniformly
Fed Assembly..........................................1.5
Belt...........................................................1.5
Oven........................................................1.5
Reciprocating...........................................2.0
Screw.......................................................1.5
Shaker......................................................1.5
Cranes and Hoists1
Main Hoists..............................................2.0
Reversing.................................................2.0
Skip Hoists...............................................2.0
Trolley Drive.............................................2.0
Bridge Drive.............................................2.0
Crushers
Ore...........................................................3.0
Stone........................................................3.0
Dredges
Conveyors................................................2.0
Cutter  Head Drives.................................2.0
Maneuvering Winches.............................2.0
Pumps......................................................2.0
Fans
Centrifugal................................................1.0
Cooling Towers Forced Draft...................1.5
Feeders
Screw.......................................................1.5
Generators
Not Welding.............................................1.0
Welding....................................................1.5
Hammer Mills.................................................2.0
Laundry Washers
Reversing.................................................1.5
Lumber Industry
Barkers—Drum Type...............................2.0
Edger  Feed.............................................2.0
Live Rolls.................................................2.0
Log Haul—Incline.....................................2.0
Log Haul—Well Type...............................2.0
Off Bearing Rolls......................................2.0
Planer Feed Chains...............................1.75
Planer Tilting Hoist.................................1.75
Planer Floor Chains...............................1.75
Slab Conveyor.........................................1.5
Sorting Table............................................1.5
Trimmer Feed...........................................1.5

JW

Application Service Factors

JW

Selection Data

G-13

Gear

Customer Name:____________________________________________________ Contact Name:_ _____________________________________________

JW

JW

Selection Worksheet

Phone Number:_____________________________________________________ Email Address:_______________________________________________

JIS

JIS

CJ

CJ

SF

SF

MC

MC
 		
		

For combustion engines, define type
Gasoline, Diesel, Natural Gas, etc. :  ______________ Number of cylinders _______

G

G

1. Type of Driver (Electric Motor, Combustion Engine, Gearbox, etc.) : ___________________

		
Torque (in-lbs)  = HP   x   63025   x  Service Factor  =  Selection Torque  =  ____________ in-lbs
	   	                                   RPM
4. Driver Shaft Diameter : _________ Keyway size : KW Width _________ KW Height _________  
		

Specify Clearance Fit, Interference Fit, Metric (P7, H7, etc), Shaft Locking Device, and Set Screw or No Set Screw

5. Driver Usable Shaft Length : ___________  (Measure from the end of the shaft to any obstruction)

D

D

Retrieve the Application Service Factor from Page G-13 : ______________ then
calculate the Selection Torque using the following formula:

GD

GD

		
		

HP

HP

2. 	 Driver Horse Power : ____________      3.  Driver or Gearbox output RPM : _____________

For additional bore and
keyway information, see the
Engineering Data Section
of the Power Transmission
Products Catalog

7. Type of Driven Equipment : _______________________________________

T

T

6. Distance between shaft ends (BSE) : _______________

		

Specify Clearance Fit, Interference Fit, Metric (P7, H7, etc), Shaft Locking Device, and Set Screw or No Set Screw

SP

SP

8. Driven Shaft Diameter : _________ Keyway size : KW Weight _________ KW Height _________  

10. Total Mounting Length : ______________  (Advise of any obstructions, walls, beams, guards, pipes, etc.)

UJ

UJ

9. Driven Usable Shaft Length : ___________  (Measure from the end of the shaft to any obstruction)

R

Minimum or Maximum Taper diameter:__________________________________
Taper Length: ___________  T (Taper Inch per Foot) :______________________

		

Gap or Hub Overhang amount:________________________________________

		

Locknut Width: ___________  Size of nut cross corners:____________________

		

Thread Size: _____________  Thread Length:____________________________

		

Washer Diameter (if used) : ____________   Washer Width:_________________

SLD

SLD

		
		

R

Lovejoy, Inc.
World Headquarters
2655 Wisconsin Avenue
Downers Grove, IL 60515

Send this form to:
appleng@lovejoy-inc.com
or fax to: 800-446-0878

ED

ED

VSD

VSD

11. For Tapered Shafts specify the following:

G-14

128

630-852-0500

Gear

Continuous Sleeve
Cut Away
JW

JW
JIS

JIS

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings

CJ

CJ

One-piece steel sleeve Internal
teeth run full working length

SF

SF

Lubrication holes (2)

MC

MC

Draw-off holes (Optional)

G

Reinforced rubber lubrication  
seals held in by snap rings

GD

GD

Keyway

HP

HP

G

Steel hubs

Oil-hardened spring steel snap rings
positioned by grooves in sleeve

D

D

Gear teeth precision-cut, evenly spaced

T

T
SP

SP

The One-Piece Sleeve Gear Coupling

UJ

UJ

VSD

VSD

R

R

SLD

SLD

ED

ED

www.lovejoy-inc.com

129

G-15

Gear

C and CFR Type

C Type Flex-Flex Couplings
The C Type coupling consists of two flex hubs, one sleeve and one accessory kit
consisting of seals and snap rings.

JIS

JIS

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings
JW

JW

Performance Data

The CFR Type coupling consist of one flex hub, one rigid hub, one sleeve, one
accessory kit consisting of seals and snap rings.

CJ

CJ

CFR Type Flex-Rigid Couplings

■■Simple and inexpensive type of gear coupling

SF

SF

Features
■■All steel sleves and hubs

MC

MC

■■Reinforced rubber seals with snap rings to hold lubricant in place
■■Available as vertical and horizontal couplings
■■Wide variety of special variations such as full-flex, flex-rigid mill motor
■■Standard configurations are available of the shelf

HP

HP

G

G
C - CFR Performance Data
ID1 - ID2

GD

GD

Nominal

Maximum

Flex & Rigid

Flex & Rigid

Torque

Speed

Max Bore

Rough Stock

Size

in-lb

D

D

Unbal
2,500

7/8

T

RPM

in

18,000

1.25

mm

in

Degrees
mm

31

900

5,000

15,000

1.63

42

2 300

4,200

12,600

2.13

56

Solid with Center

lbs

kg

5

2

in

mm

0.005

0.13

8

4

0.007

0.18

1/2°

13

6

0.007

0.18

per Mesh

30,200

3 400

3,750

11,250

2.63

70

20

9

0.007

0.25

3

50,400

5 700

3,600

9,000

3.13

84

33

15

0.010

0.30

SP

SP

RPM
6,000

7,600

T

88,200

10 000

2,800

8,400

3.63

97

1.25

32

63

29

0.012

0.30

4

126,000

14 200

2,400

7,200

4.13

111

1.75

44

91

41

0.012

0.30

4.5

184,000

20 800

2,200

6,600

4.75

130

2.38

60

126

57

0.007

0.18

3.5

5

UJ

UJ

Angular
Misalignment

2.5

6

270,900

30 600

2,100

6,300

5.75

160

2.88

73

195

89

0.007

0.18

1/4°

378,000

42 700

2,000

6,000

6.75

186

3.88

99

267

121

0.009

0.23

per Mesh

VSD

598,500

67 600

1,000

3,000

7.50

200

4.69

119

320

145

0.010

0.25

1,260,000

142 400

800

2,400

9.50

240

5.88

149

520

236

0.011

0.28

11

2,205,000

249 200

600

1,800

11.50

305

7.75

197

925

420

0.013

0.33

12

2,520,000

284 700

550

1,650

12.50

330

9.75

248

1,200

545

0.014

0.36

7
9

R

R

VSD

300

Parallel
Misalignment

Bore

20,200

1.5
2

Nm

Bal

Weight

SLD

SLD

Ordering Information
■■Application: Driver and Driven.
■■Type and size of coupling, horizontal, vertical etc.
■■Power: Motor horspower or torque requirement.

ED

ED

■■Speed: Motor RPM or Driven RPM.
■■Distance between shaft ends (BSE).
■■Shaft sizes.

G-16

130

630-852-0500

Gear

C and CFR Type
!"#$%&'(ÿ)*+,)--#.

Dimensional Data

/,0#123453677+89

JW

JW

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings

JIS

JIS

C and CFR Type Couplings

CJ

CJ

SF

SF

MC

MC

CFR Type Flex-Rigid Coupling

C and CFR Type Dimensional Data
OAL

LS

SL

ID1 - ID2

HL
Flex & Rigid

Max Bore

Rough Stock

DC

BSE
G

G1

OD

HD

in

in

CBD

HP

Flex & Rigid

HP

R

G

G

C Type Flex-Flex Coupling

in

in

in

in

31

1.50

0.13

0.13

0.38

3.31

2.00

1.94

1.63

42

1.81

0.19

0.13

0.50

3.75

2.38

2.25

in

in

in

7/8

3.75

3.13

2.00

1.00

1.25

1.5

4.59

3.75

2.53

1.27

mm

in

mm

1.28

2.13

56

2.06

0.19

0.13

0.50

4.75

3.25

3.00

3.06

1.53

2.63

70

2.25

0.25

0.25

0.75

5.50

3.94

3.75

3

6.88

5.50

3.75

1.88

3.13

84

2.63

0.25

0.25

0.75

6.63

4.75

4.75

3.5

9.25

8.75

4.00

2.00

3.63

97

1.25

30

4.25

0.25

0.25

0.75

7.50

5.38

5.50

4

9.50

9.00

4.63

2.31

4.13

111

1.75

44

4.38

0.25

0.25

0.75

8.75

6.25

6.50

4.5

10.38

10.25

4.88

2.44

4.75

130

2.38

60

5.00

0.25

0.25

0.75

9.50

7.25

7.25

5

12.25

12.25

5.75

2.88

5.75

160

2.88

73

6.00

0.25

0.25

0.75

10.75

8.25

8.12

6

13.38

13.00

6.50

3.25

6.75

186

3.88

99

6.38

0.25

0.25

0.75

12.25

9.50

9.25

7

15.38

14.88

7.50

3.75

7.50

200

4.69

119

7.25

0.25

0.38

0.88

14.00

10.50

9.75

UJ

SP

2.56

4.75

19.00

8.13

4.06

9.50

240

5.88

149

9.25

0.25

0.50

1.00

16.25

12.63

12.25

22.50

22.50

8.13

4.06

11.50

305

7.75

197

11.00

0.25

0.50

1.00

19.25

15.63

15.00

12

25.00

25.00

8.38

4.19

12.50

330

9.75

248

12.25

0.25

0.50

1.00

20.50

16.50

16.00

Ordering Information
■■Puller Holes are standard on sizes 4 through 12.

R

R

■■Puller Holes are available for sizes 7/8 through 3.5 at an additional charge.

VSD

19.00

VSD

9
11

UJ

4.25

5.72

SP

4.88

T

2
2.5

D

Solid with Center

3ÿ/:ÿ3

D

in

T

in

GD

in

GD

Bore
Size

■■The BSE (distance Between Shaft Ends) may vary between G and G1.

SLD

■■Inch bores and keyway tolerances conform to ANSI / AGMA 9002-B04.			

SLD

■■Interference bores with no set screws are standard unless otherwise specified.
■■For metric bores and keyway tolerances, consult Lovejoy Engineering Section.

www.lovejoy-inc.com

ED

ED

■■Larger sizes are available, please consult Lovejoy Technical Support.

131

G-17

Gear

CMM Type

CMM Type Mill Motor Couplings
The CMM Type coupling consists of one standard flex hub, one
universal hub, one standard sleeve and one accessary kit consisting
of seals and snap rings.

JIS

JIS

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings
JW

JW

Performance Data

■■Specifically designed for mill motors with tapered bores

CJ

CJ

Features

■■One piece cylindrical sleeve for smoother, faster, quieter and and
safer operation

SF

SF

■■Universal hub counterbored for the nut on the end of the motor
shaft

MC

MC

■■Quick assembly and disassembly

CMM Type Performance Data
ID1 - ID2

G

G

Nominal

Maximum Speed

Max Bore

Rough

Torque

Unbal

Bal

RPM

RPM

in

mm

in

Weight

Stock Bore

Parallel

Max Angular

Misalignment

Misalignment

GD

mm

lbs

kg

in

mm

2,500

300

6,000

18,000

1.25

31

0.44

11

7

3.2

0.005

.13

7,600

900

5,000

15,000

1.63

42

0.63

16

11

5.0

0.007

.18

GD

20,200

2 300

4,200

12,600

2.13

56

0.73

19

19

8.6

0.007

.18

2.5

30,200

3 400

3,750

11,250

2.63

70

0.88

22

29

13.0

0.007

.18

3

50,400

2

3.5

6

3,600

9,000

3.13

84

1.19

30

46

21.0

0.010

.25

10 000

2,800

8,400

3.63

97

1.25

32

77

35.0

0.012

.30

126,000

14 200

2,400

7,200

4.13

111

1.75

44

109

49.0

0.012

.30

184,000

20 800

2,200

6,600

4.75

130

2.38

60

155

70.0

0.007

.18

270,000

30 600

2,100

6,300

5.75

160

2.88

73

220

100.0

0.007

.18

378,000

42 700

2,000

6,000

6.75

186

3.88

99

315

143.0

0.009

.23

T

5

5 700

88,200

D

D

Nm

7/8

4.5

T

in-lb

1.5

4

1/2°

1/4°

SP

SP

HP

HP

Degrees
Size

Ordering Information
■■Application: Driver and Driven.
■■Power: Motor horspower or torque requirement.

UJ

UJ

■■Type and size of coupling, horizontal, vertical etc.

■■Distance between shaft ends (BSE).

VSD

VSD

■■Speed: Motor RPM or Driven RPM.
■■Shaft sizes.

■■Length and taper per foot of Mill Motor shaft.

R

■■Specify if keyways are to be parallel to shaft axis or tapered.

SLD

SLD

R

■■Size of nut to be used on Mill Motor (DC1 and CBD1).

ED

ED

G-18

132

630-852-0500

Gear

CMM Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings

JIS

JIS

CMM Type Mill Motor Couplings

CJ

CJ

SF

SF

MC

MC

Standard Type

Alternative Type

ID1 - ID2

HL1

DC

DC1

in

G

OD

HD

3.5
4
5

mm

in

in

in

31

0.44

11

1.50

3.75

0.13

4.59

2.53

1.27

1.63

42

0.63

16

1.81

4.00

0.19

4.88

2.56

1.28

2.13

56

0.73

19

2.06

4.63

0.19

5.72

3.06

1.53

2.63

70

0.88

22

2.25

5.13

0.25

6.88

3.75

1.88

3.13

84

1.19

30

2.63

5.75

0.25

9.25

4.00

2.00

3.63

97

1.25

32

4.25

6.50

0.25

9.50

4.63

2.31

4.13

111

1.75

44

4.38

6.63

0.25

10.38

4.88

2.44

4.75

130

2.38

60

5.00

7.75

0.25

12.25

5.75

2.88

5.75

160

2.88

73

6.00

7.88

0.25

13.38

6.50

3.25

6.75

186

3.88

99

6.38

9.25

0.25

HP

mm

in

in

in

in

in

0.13

3.31

2.00

1.94

1.63

0.13

3.75

2.38

2.25

1.88

0.13

4.75

3.25

3.00

2.75

0.25

5.50

3.94

3.75

3.25

0.25

6.63

4.75

4.75

3.88

0.25

7.50

5.38

5.50

4.50

0.25

8.75

6.25

6.50

5.13

0.25

9.50

7.25

7.25

5.50

0.25

10.75

8.25

8.13

6.50

0.25

12.25

9.50

9.25

7.75

Ordering Information
■■HL1 Dimensions are the maximum lengths of Universal hubs kept in stock and altered to customer specifications. Longer length hubs are made to order.

UJ

■■Rough bore mill motor hubs are manufactured to HL1 length with straight bores.

UJ

■■Dimension CBD1 as shown is the maximum safe counterbore. Diameter of this counterbore is to customer specifications.

SP

6

in

1.25

T

4.5

in

1.00

D

3

in

2.00

Determined by Customer Specifications

2.5

Determined by Length of Mill Motor Hub

2

in

GD

1.5

in

3.75

HP

in

7/8

CBD 1

Rough
Stock Bore

Size

CBD

GD

Max Bore

HL

D

SL

T

LS

SP

R

G

OAL

G

CMM Type Dimensional Data

■■Puller Holes are standard on sizes 4 through 12.

VSD

■■Interference bores with no set screws are standard unless otherwise specified.

VSD

■■Puller Holes are available for sizes 7/8 through 3.5 at an additional charge.
■■Inch bores and keyway tolerances conform to ANSI / AGMA 9002-B04.

R

R

■■For metric bores and keyway, consult Lovejoy Engineering Section.
■■Larger sizes are available, please consult Lovejoy Technical Support.

SLD

SLD

ED

ED

www.lovejoy-inc.com

133

G-19

Gear

CFS Type

JIS

CFS Type Floating Shaft Coupling

JIS

The CFS Type coupling consists of two flex-rigid (CFR) couplings
with a shaft between them. Normally the driver and driven ends
are rigid while the two center hubs connected by the center shaft
are flexible. These hubs can be reversed if necessary without
sacrificing ease of installation or disassembly.

CJ
SF

SF

CJ

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings
JW

JW

Performance Data

G

G

MC

MC
CFS Type Performance Data

7/8
1.5
2.5
3

Flex & Rigid

Weight

Parallel

Max Angular

Max Bore

Rough Stock

Coupling

Misalignment

Misalignment

in-lb

Nm

Unbal

Bal

RPM

RPM

Bore
in

mm

in

Only
mm

lbs

Degrees
kg

in

mm

2,500

300

6,000

18,000

1.25

31

0.44

11

10

4.5

0.005

.13

7,600

900

5,000

15,000

1.63

42

0.63

16

16

7.3

0.007

.18

2 300

4,200

12,600

2.13

56

0.73

19

26

12.0

0.007

.18

30,200

20,200

3 400

3,750

11,250

2.63

70

0.88

22

40

18.0

0.007

.18

50,400

5 700

3,600

9,000

3.13

84

1.19

30

66

30.0

0.010

.25

88,200

2,800

8,400

3.63

97

1.25

32

126

57.0

0.012

.30

14 200

2,400

7,200

4.13

111

1.75

44

182

83.0

0.012

.30

4.5

184,000

20 800

2,200

6,600

4.75

130

2.38

60

252

114.0

0.007

.18

5

270,000

30 600

2,100

6,300

5.75

160

2.88

73

390

177.0

0.007

.18

378,000

42 700

2,000

6,000

6.75

186

3.88

99

534

242.0

0.009

.23

4

SP

6

T

10 000

126,000

3.5

T

Flex & Rigid

Speed

D

D

2

SP

Maximum

Torque

GD

GD

Size

1/2°

1/4°

Ordering Information
■■Application: Driver and Driven.

UJ

UJ

Nominal

HP

HP

ID1 - ID2

■■Power: Motor horspower or torque requirement.

VSD

VSD

■■Type and size of coupling, horizontal, vertical etc.
■■Speed: Motor RPM or Driven RPM.
■■Distance between shaft ends (BSE).
■■Shaft sizes.

R

R

SLD

SLD

ED

ED

G-20

134

630-852-0500

Gear

CFS Type

Dimensional Data
!"#$%&'(ÿ)*+,)--#.

/,0#123453677+89

JW

JW

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings

JIS

JIS

CFS Type Floating Shaft Couplings

CJ

CJ

SF

SF

MC

MC

OAL

LS

G
SL

ID1 - ID2

HL

Flex & Rigid

Max Bore

Rough Stock

DC

BSE

G

G1

OD

HD

CBD

Min

HP

Flex & Rigid

HP

R

G

CFS Type Dimensional Data

Bore
in

in

in

in

in

mm

in

mm

in

in

in

in

in

in

in

in

7/8

3.75

3.13

2.00

1.00

1.25

31

0.44

11

2.00

0.13

3.75

0.13

0.38

3.31

2.00

1.94

1.5

4.59

3.75

2.53

1.27

1.63

42

0.63

16

2.38

0.19

4.63

0.13

0.50

3.75

2.38

2.25

4.25

2.56

1.28

2.13

56

0.73

19

3.25

0.19

5.13

0.13

0.50

4.75

3.25

4.75

3.06

1.53

2.63

70

0.88

22

3.94

0.25

6.00

0.25

0.75

5.50

3.94

D

4.88
5.72

3.00
3.75

5.50

3.75

1.88

3.13

84

1.19

30

4.75

0.25

6.75

0.25

0.75

6.63

4.75

4.75

8.75

4.00

2.00

3.63

97

1.25

32

5.38

0.25

9.50

0.25

0.75

7.50

5.38

5.50

4

9.50

9.00

4.63

2.31

4.13

111

1.75

44

6.25

0.25

9.75

0.25

0.75

8.75

6.25

T

6.88
9.25

6.50

10.25

4.88

2.44

4.75

130

2.38

60

7.25

0.25

11.00

0.25

0.75

9.50

7.25

7.25

12.25

5.75

2.88

5.75

160

2.88

73

8.25

0.25

13.00

0.25

0.75

10.75

8.25

8.13

6

13.38

13.00

6.50

3.25

6.75

186

3.88

99

9.50

0.25

13.75

0.25

0.75

12.25

9.50

9.25

UJ

UJ

VSD

VSD
R

R

Notes: 	 n  FSL Dimension is the minimum length of the floating shaft.
n  The BSE (distance Between Shaft Ends) vary between G and G1.
n  Puller Holes are standard on sizes 4 through 6.
n  Puller Holes are available for sizes 7/8 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bores and keyway tolerances conform to ANSI / AGMA 9002-B04.
n  For metric bores and keyway tolerances, consult Lovejoy Engineering Section.
n  Larger sizes are available, please consult Lovejoy Technical Support.

SP

10.38
12.25

SLD

SLD

ED

ED

www.lovejoy-inc.com

135

SP

4.5
5

T

3
3.5

D

2
2.5

GD

GD

Size

3ÿ/:ÿ3

G-21

Gear

CSPCR Type

CSPCR Type Spacer Couplings
The CSPCR Type coupling consists of two flex hubs, two sleeves, one spacer,
one accessory kit, two split seals and two lock rings.

JIS

JIS

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings
JW

JW

Performance Data

■■Easy removal of hubs without disturbing the mounting of connected units

CJ

CJ

Features
■■Spacer teeth are rigid with a slight interference fit with the mating flex hub
■■Split seals on the spacer

SF

SF

MC

MC
CSPCR Type Performance Data

Size

GD

Speed

Max Bore

Rough Stock

Weight

Parallel

Max Angular

Bore

Couplings

Misalignment

Misalignment

1

Unbal

Only

Degrees

RPM

RPM

in

mm

in

mm

lbs

in

mm

6,000

18,000

1.25

31

0.44

11

7

3.2

0.005

.13

7,600

900

5,000

15,000

1.63

42

0.63

16

11

5.0

0.007

.18

2

20,200

2 300

4,200

12,600

2.13

56

0.73

19

16

7.3

0.007

.18

1/2°

2.5

30,200

3 400

3,750

11,250

2.63

70

0.88

22

26

12.0

0.007

.18

per Mesh

1.5

kg

50,400

5 700

3,600

9,000

3.13

84

1.19

30

43

20.0

0.010

.25

88,200

10 000

2,800

8,400

3.63

97

1.25

32

79

36.0

0.012

.30

D

3
3.5

Nm

Bal

300

2,500

GD

D

Torque
in-lb

7/8

2,400

7,200

4.13

111

1.75

44

115

52.0

0.012

.30

20 800

2,200

6,600

4.75

130

2.38

60

158

72.0

0.007

.18

1/4°

5

270,000

30 600

2,100

6,300

5.75

160

2.88

73

248

113.0

0.007

.18

per mesh

6

378,000

42 700

2,000

6,000

6.75

186

3.88

99

340

154.0

0.009

.23

126,000

SP

Ordering Information
■■Application: Driver and Driven.

SP

Note: 	 n  1 indicates: Maximum RPM of spacer coupling determined by critical speed of spacer shaft.

UJ

4.5

T

14 200

184,000

4

T

Maximum

HP

HP

G

G

ID1 - ID2
Nominal

UJ

■■Power: Motor horspower or torque requirement.

VSD

VSD

■■Type and size of coupling, horizontal, vertical etc.
■■Speed: Motor RPM or Driven RPM.
■■Distance between shaft ends (BSE).
■■Shaft sizes.

R

R

SLD

SLD

ED

ED

G-22

136

630-852-0500

Gear

CSPCR Type
Dimensional Data
JW

JW

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings

JIS

JIS

CSPCR Type Spacer Couplings

CJ

CJ

SF

SF

MC

MC

G

G

ID1 - ID2

Min

Max Bore

Rough Stock

BSE

S

Min

Min

HL

G

DC

OD

HD

HP

SL

in

CBD

in

GD

LS

HP

OAL

GD

CSPCR Type Dimensional Data

Bore
Size
7/8

in
6.76

in

in

in

mm

2.00

1.00

1.25

31

in

mm

in

in

in

in

in

11

4.00

3.50

1.50

0.13

0.13

in
3.31

2.00

1.94

1.27

1.63

42

16

4.13

3.50

1.81

0.13

0.19

3.75

2.38

1.28

2.13

56

19

4.75

4.13

2.06

0.13

0.19

4.75

3.25

2.5

9.50

3.06

1.53

2.63

70

22

5.50

4.50

2.25

0.25

0.25

5.50

3.94

3.75

3

11.01

3.75

1.88

3.13

84

30

6.25

5.25

2.63

0.25

0.25

6.63

4.75

4.75

3.5

15.00

4.00

2.00

3.63

97

32

7.00

6.00

4.25

0.25

0.25

7.50

5.38

T

All■
Solid

D

2.53
2.56

2.25
3.00

5.50

4.63

2.31

4.13

111

1.75

44

7.63

6.63

4.38

0.25

0.25

8.75

6.25

6.50

4.88

2.44

4.75

130

2.38

60

7.88

6.88

5.00

0.25

0.25

9.50

7.25

7.25

SP

15.89
17.38

5

20.25

5.75

2.88

5.75

160

2.88

73

8.75

7.75

6.00

0.25

0.25

10.75

8.25

8.13

6

21.76

6.50

3.25

6.75

186

3.88

99

9.50

8.50

6.38

0.25

0.25

12.25

9.50

9.25

UJ
VSD

VSD
R

R

n  Puller Holes are standard on sizes 4 through 6.
n  Puller Holes are available for sizes 7/8 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bores and keyway tolerances conform to ANSI / AGMA 9002-B04.
n  For metric bores and keyway tolerances, consult Lovejoy Engineering Section.
n  Larger sizes are available, please consult Lovejoy Technical Support.

UJ

Notes: 	

SLD

SLD

ED

ED

www.lovejoy-inc.com

137

SP

4
4.5

T

7.38
8.51

D

1.5
2

G-23

Gear

CCS Type

JIS

CCS Type Cut-Out Shifter Couplings
The CCS Type coupling consists of two flex hubs, one special sleeve
without lubrication holes and one accessory kit which includes a special
seal for the hub that disengages to elliminate undue friction when the
disengaged hub is turning in the sleeve. Standard hub is hand packed
with grease.

JIS

Features

CJ

CJ

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings
JW

JW

Performance Data

SF

SF

■■Permits quick disengagement of driver and driven shafts without
disassembling the coupling
■■Widely used on dual drives and equipment operated in tandem
■■Also available with pins to maintain sleeve in both engaged and
disengaged positions

MC

MC

■■Special seal for disengaging hub

CCS Type Performance Data

GD

Unbal

in-lb

7/8

2,500

Max Bore

Rough

Bal

Weight

Stock Bore

Parallel

Max Angular

Misalignment

Misalignment
Degrees

Nm

RPM

RPM

in

mm

in

mm

300

6,000

18,000

1.25

31

0.44

11

lbs

kg

in

mm

0.005

.13

7,600

900

5,000

15,000

1.63

42

0.63

16

Weight

0.007

.18

2

20,200

2 300

4,200

12,600

2.13

56

0.73

19

Determined

0.007

.18

2.5

30,200

3 400

3,750

11,250

2.63

70

0.88

22

by

0.007

.18

1.5

3

50,400

5 700

3,600

9,000

3.13

84

1.19

30

W & OD

0.010

.25

88,200

10 000

2,800

8,400

3.63

97

1.25

32

Dimensions

0.012

.30

126,000

14 200

2,400

7,200

4.13

111

1.75

44

supplied

0.012

.30

4.5

184,000

20 800

2,200

6,600

4.75

130

2.38

60

by

0.007

.18

5

270,000

30 600

2,100

6,300

5.75

160

2.88

73

Customer

6

378,000

42 700

2,000

6,000

6.75

186

3.88

99

4

T

T

Torque

D
SP

SP

Maximum Speed

Size

3.5

0.007

.18

0.009

.23

1/2°

1/4°

Ordering Information
■■Application: Driver and Driven.

UJ

UJ

Nominal

GD

D

HP

HP

G

G

ID1 - ID2

■■Type and size of coupling, horizontal, vertical etc.
■■Speed: Motor RPM or Driven RPM.

VSD

VSD

■■Power: Motor horspower or torque requirement.
■■Distance between shaft ends (BSE).
■■Dimensions of Shifter Groove (width and outside diameter).

R

■■Specify which hub will be stationary when coupling is disengaged.

SLD

SLD

R

■■Shaft sizes.

ED

ED

G-24

138

630-852-0500

Gear

CCS Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings

JIS

JIS

CCS Type Cut-Out Shifter Couplings

CJ

CJ

SF

SF

Disengaged Position

MC

MC

OAL

LS

G
W

ID1 - ID2

HL
Rough

G

G1

OD

D

HD1

HD

T1

in

in

in

in

in

3.31

1.985

2.00

HP

Max Bore

BSE

HP

R

G

CCS Type Dimensional Data

Stock Bore
in

7/8

4.31

3.13

2.56

1.5

5.38

3.75

3.31

2

5.75

4.25

3.44

2.5

6.41

4.75

3.88

Specs

3

7.69

5.50

4.63

in

mm

in

mm

in

in

in

1.25

31

0.44

11

1.50

0.13

0.38

GD

in

0.38

Per

1.63

42

0.63

16

1.81

0.13

0.50

Per

3.75

2.365

2.38

0.63

Cust

2.13

56

0.73

19

2.06

0.13

0.50

Cust

4.75

3.235

3.25

0.56

2.63

70

0.88

22

2.25

0.25

0.75

Specs

5.50

3.925

D

in

3.94

0.69

3.13

84

1.19

30

2.63

0.25

0.75

6.63

4.735

4.75

0.75
0.81

3.63

97

1.25

32

4.25

0.25

0.75

7.50

5.365

5.38

5.81

4.13

111

1.75

44

4.38

0.25

0.75

8.75

6.235

6.25

1.00

4.5

11.44

10.25

5.94

4.75

130

2.38

60

5.00

0.25

0.75

9.50

7.235

7.25

1.00

5

14.00

12.25

7.50

5.75

160

2.88

73

6.00

0.25

0.75

10.75

8.235

8.25

1.50

6

15.44

13.00

8.56

6.75

186

3.88

99

6.38

0.25

0.75

12.25

9.485

9.50

1.88

SP
UJ

UJ

VSD

VSD
R

R

Notes: 	 n  1 indicates: T is the length of travel to disengage sleeve.
n  The BSE (distance Between Shaft Ends) vary between G and G1.
n  Puller Holes are standard on sizes 4 through 6.
n  Puller Holes are available for sizes 7/8 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bores and keyway tolerances conform to ANSI / AGMA 9002-B04.
n  For metric bores and keyway tolerances, consult Lovejoy Engineering Section.
n  Larger sizes are available, please consult Lovejoy Technical Support.

T

4.88

9.00

SLD

SLD

ED

ED

www.lovejoy-inc.com

139

SP

8.75

4

T

9.63
10.69

3.5

D

in

GD

Size

G-25

Gear

CSHP Type
Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings
JW

JW

Performance Data

Features

CJ

CJ

The CSHP Type coupling consists of one standard flex hub, two
piece shear hub and one set of shear pins, one standard sleeve
and accessory kit.

JIS

JIS

CSHP Type Shear Pin Couplings

■■Designed to prevent damage to connected equipment

CSHP Type Performance Data

MC

MC

■■New Pins can be quickly inserted

SF

SF

■■Manufactured to shear at predetermined loads

ID1 - ID2
Max Bore

in-lb

Nm

G

Weight

Unbal

Bal

RPM

RPM

in

mm

in

mm

lbs

Parallel

Max Angular

Misalignment

Misalignment
Degrees

kg

in

mm

900

5,000

15,000

1.63

42

0.938

24

8

4

0.007

.18

2

20,200

2 300

4,200

12,600

2.13

56

1.500

38

10

5

0.007

.18

2.5

30,200

3 400

3,750

11,250

2.63

70

1.750

44

15

7

0.007

.18

50,400

5 700

3,600

9,000

3.13

84

2.250

57

23

10

0.010

.25

88,200

10 000

2,800

8,400

3.63

97

2.625

66

47

21

0.012

.30

126,000

14 200

2,400

7,200

4.13

111

3.625

92

90

41

0.012

.30

184,000

20 800

2,200

6,600

4.75

130

4.125

104

112

51

0.007

.18

5

270,000

30 600

2,100

6,300

5.75

160

4.500

114

177

80

0.007

.18

6

378,000

42 700

2,000

6,000

6.75

186

5.875

149

250

114

0.009

.23

3

4.5

D

4

GD

GD

Shear Hub

Max Bore

7,600

1.5

3.5

D

Flex or Rigid

Speed

HP

HP

Size

T

T

Maximum

Torque

G

Nominal

1/2°

1/4°

SP

SP

Ordering Information
■■Application: Driver and Driven.
■■Type and size of coupling, horizontal, vertical etc.
■■Power: Motor horspower or torque requirement.

UJ

UJ

■■Speed: Motor RPM or Driven RPM.
■■Distance between shaft ends (BSE).
■■Specify which is the Shear Pin hub.

VSD

■■Specify the required shear torque.

R

R

VSD

■■Shaft sizes.

SLD

SLD

ED

ED

G-26

140

630-852-0500

Gear

CSHP Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings

JIS

JIS

CSHP Type Spacer Couplings

CJ

CJ

SF

SF

MC

MC

LS

G
SL

ID1

ID2

Flex or Rigid

Shear Hub

1.5

in

in

5.28

4.38

HL

G

F

OD

HD

Max Bore

HP

Max Bore
Size

LTB

HP

OAL

in

in

in

m

in

mm

in

in

in

in

in

in

2.53

1.27

1.63

42

0.938

24

1.63

2.25

0.50

1.13

3.75

2.38

2

5.56

4.88

2.56

1.28

2.13

56

1.500

38

1.88

2.50

0.50

1.13

4.75

3.25

2.5

6.50

5.44

3.06

1.53

2.63

70

1.750

44

2.00

2.69

0.75

1.50

5.50

3.94

6.38

3.75

1.88

3.13

84

2.250

57

2.38

3.25

0.75

1.63

6.63

8.13

4.00

2.00

3.63

97

2.625

66

4.00

3.38

0.75

1.75

7.50

D

7.75
8.13

4.75
5.38

9.00

4.63

2.31

4.13

111

3.625

92

4.13

4.13

0.75

2.00

8.75

6.25

9.75

4.88

2.44

4.75

130

4.125

104

4.75

4.25

0.75

2.00

9.50

7.25

5

11.50

11.50

5.75

2.88

5.75

160

4.500

114

5.75

5.00

0.75

2.25

10.75

8.25

6

13.13

13.00

6.50

3.25

6.75

186

5.875

149

6.13

6.13

0.75

2.88

12.25

9.50

SP

SP

UJ

UJ
VSD

VSD

Notes: 	 n  Puller Holes are standard on sizes 4 through 6.
n  Puller Holes are available for sizes 1.5 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bores and keyway tolerances conform to ANSI / AGMA 9002-B04.
n  For metric bores and keyway tolerances, consult Lovejoy Engineering Section.
n  Larger sizes are available, please consult Lovejoy Technical Support.

T

9.50
9.88

R

R

SLD

SLD

ED

ED

www.lovejoy-inc.com

141

T

4
4.5

D

3
3.5

GD

GD

R

G

CSHP Type Dimensional Data

G-27

Gear

Nyflex and Mite® Type
®

Lovejoy / Sier-Bath Nylon Sleeve Gear Couplings
JW

JW

Performance Data

Features

CJ

CJ

The Nyflex and Mite coupling consists of two sintered iron flex hubs, one Nylon sleeve and two
Spiirolox rings.

JIS

JIS

Nyflex® and Mite® Type Couplings

■■No lubrication required elliminating the need for seals

SF

SF

■■Sintered Iron hubs with crowned teeth to provider greater misalignment and gouging of nylon
sleeve
■■Resilient, lightweight, abrasion and corrosion resistant nylon sleeve accurately molded to mesh
with hubs elliminating friction and need of lubrication

MC

MC

■■Center groove in sleeves readily permits their use in vertical applications and for blind assembly
■■Securely held hubs and sleeves by spring-steel retaing rings yet capable of easy removal and still
withstand a 5,000 lbs end thrust
■■Minimum backlash operating in an ambient temperture environment of -40 to 150° F

G

G
Speed

GD
D

Keyway

Nm

HP

in

Nm

in

in

in

in

164

0.60

360

40.7

0.375*

No Keyway

0.312**

No Keyway

500

9.50

1,190

135

2.40

307

34.7

0.500

1/8 x 1/16

0.500

1/8 x 1/16

1,000

18.00

1,125

127

4.50

285

32.2

0.625

3/16 x 3/32

0.625

3/16 x 3/32

20.30

1,110

125

5.10

282

31.9

0.750

3/16 x 3/32

0.750

3/16 x 3/32

3/16 x 3/32

0.875

3/16 x 3/32

1,150

D

1,500

24.00

970

110

6.40

274

30.9

0.875

1,750

25.00

900

102

7.50

270

30.5

0.937

1/4 x 1/8

0.937

1/4 x 1/8

2,000

T

T

Bore

in-lb

GD

3,000
3,500

SP

SP

Mite

Keyway

1,420

4,000
5,000

UJ

UJ

Bore

Torque

2.25

100

2,500

26.60

840

95

8.40

267

30.2

1.000

1/4 x 1/8

1.000

1/4 x 1/8

29.80

750

85

11.10

262

29.6

1.125

1/4 x 1/8

1.125

1/4 x 1/8

32.50

680

77

12.10

256

28.9

1.187

1/4 x 1/8

35.30

630

76

13.80

254

28.7

1.250

1/4 x 1/8

37.50

590

67

17.60

251

28.3

1.312

5/16 x 5/32

27.4

1.375

5/16 x 5/32

1.437

3/8 x 3/16

1.500

3/8 x 3/16

1.625

3/8 x 3/16

42.00

530

60

19.40

243

Notes: 	 n  Angular Misalignment: Nyflex 5°; Mite 3°.
n  Clearence fit bores standard through 1.250 inch bores.
n  Interference fit bores standard over 1.250 inch bores.

VSD

VSD

Nyflex

Mite

Torque
HP

RPM

Notes: 	 n  * indicates: Rough Stock Bore .375 – .390 inches.
n  ** indicates: Rough Stock Bore .312 – .327 inches.

Ordering Information
■■Application: Driver and Driven.
■■Type and size of coupling, horizontal, vertical etc.

R

R

Nyflex

HP

HP

Nyflex and Mite Type Performance Data

■■Speed: Motor RPM or Driven RPM.

SLD
ED

ED

SLD

■■Power: Motor horspower or torque requirement.

G-28

142

630-852-0500

Gear

Nyflex and Mite® Type
®

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Nylon Sleeve Gear Couplings

JIS

JIS

Nyflex® and Mite® Type Couplings

CJ

CJ

SF

SF

MC

MC

G

G

OAL

LS

LTB

BSE

OD

HP

HD
Weight

in

in

in

in

in

in

3.38

1.88

1.63

0.13

3.75

2.38

3.50

Mite

1.125

2.38

1.31

1.13

0.13

2.88

1.75

1.00

T
SP

SP

T

Notes: 	 n  Clearence fit bores with set screw over keyway is standard through 1.250 inch bores.
n  Interference fit bores with no set screw is standard for bores over 1.250 inch.
n  Bore and keyway tolerances conform to ANSI / AGMA 9002-B04.

lbs

D

in
1.625

UJ

UJ

VSD

VSD

R

R

SLD

SLD

ED

ED

www.lovejoy-inc.com

143

D

Size
Nyflex

GD

Max Bore

GD

ID1 - ID2

HP

Nyflex and Mite Type Dimensional Data

G-29

Gear

Dentex (Nylon Sleeve Series)
®

The series is a standard coupling with two hubs, a nylon sleeve, and retaining rings depending on the model
selected. The coupling has a precision molded nylon sleeve and powder metal hub with no bolts, pins,
flanges, or protrusions that could have an effect on balance or operational safety. Since no lubrication is
used, the couplings can readily be adapted to many applications including vertical and blind installations.

JIS

JIS

Dentex® Nylon Sleeve Series Flexible Couplings
JW

JW

Performance Data

SF
MC
G

Dentex® B - Series Performance Data

HP
GD
D

Size
B 14
B 19
B 24
B 28
B 32
B 38
B 42
B 48
B 55
B 65
B 80
B 100

Torque Capacity
Nominal
Maximum
in-lbs
Nm
in-lbs
Nm
89
10
177
20
142
16
283
32
177
20
354
40
398
45
797
90
531
60
1,062
120
708
80
1,416
160
885
100
1,770
200
1,239
140
2,478
280
2,213
250
4,425
500
3,452
390
6,903
780
6,195
700
12,390
1 400
11,063
1 250
22,125
2 500

G

HP

MC

GD

SF

D

■■Compact in size
■■Maintenance Free – No Lubrication required
■■Can accommodate axial, angular, and parallel misalignment
■■Easy to assemble
■■Electrically insulating
■■Can be used in temperature ranges from -25° to 80° C (optional 140° C)
■■Nylon sleeve has high resistance to condensation and water, hydrocarbon based petroleums, and alcohols
■■Not ideal for use with acids, benzyl based products, cresol, or glycols

CJ

CJ

Features

Max
Speed
RPM
8,000
8,000
8,000
8,000
7,000
6,000
5,400
5,000
4,000
3,800
3,000
2,400

Misalignment
Axial
in
mm

Angular
Degrees

1°■
Per■
Hub

+/-.039

+/-1

Weight1
Parallel
in
mm
0.012
0.3
0.012
0.3
0.016
0.4
0.016
0.4
0.016
0.4
0.016
0.4
0.016
0.4
0.016
0.4
0.016
0.4
0.024
0.6
0.028
0.7
0.031
0.8

kg
0.2
0.3
0.3
0.7
1.0
1.2
1.5
1.8
3.5
5.2
11.5
20.5

lbs
0.4
0.7
0.7
1.6
2.1
2.7
3.3
4.0
7.6
11.4
25.3
45.2

ID1 - ID22
Min Bore
Max Bore
in
mm
in
mm
0.25
6
0.56
14
0.38
9
0.75
19
0.44
10
0.94
24
0.44
10
1.13
28
0.50
12
1.25
32
0.56
14
1.38
38
0.81
20
1.56
42
0.81
20
1.75
48
1.00
25
2.06
55
1.25
32
2.38
65
1.19
30
3.00
80
1.62
40
3.75
100

SP
UJ
VSD

Max
Speed
RPM
7,000
5,000
3,800
3,000
2,400

Angular
Degrees
1°■
Per■
Hub

Misalignment
Axial
in
mm

+/-.039

+/-1

Weight 1
Parallel
in
mm
0.016
0.4
0.016
0.4
0.024
0.6
0.028
0.7
0.031
0.8

kg
1.1
1.5
5.4
11.7
20.8

lbs
2.4
3.3
11.9
25.8
45.9

ID1 - ID2 2
Min Bore
Max Bore
in
mm
in
mm
0.50
12
1.25
32
0.81
20
1.56
42
1.00
25
2.38
65
1.19
30
3.00
80
1.62
40
3.75
100

Notes: 	 n  1 indicates: Weight is calculated using maximum bore and no keyway.
n  2 indicates: Minimum and maximum bore sizes are given for straight bores. For Taper bores and splines, contact Lovejoy Technical Support.

VSD

Dentex® B3R - Series Performance Data
Torque Capacity
Nominal
Maximum
in-lbs
Nm
in-lbs
Nm
177
20
354
40
398
45
797
90
708
80
1,416
160
1,239
140
2,478
280
3,452
390
6,903
780
6,195
700
12,390
1 400
11,063 1 250
22,125
2 400

R

R

Size
B4R 32
B4R 45
B4R 65
B4R 80
B4R 100

Torque Capacity
Nominal
Maximum
in-lbs
Nm
in-lbs
Nm
708
80
1,416
160
1,239
140
2,478
280
3,452
390
6,903
780
6,195
700
12,390
1 400
11,063
1 250
22,125
2 400

UJ

Size
B3R 24
B3R 28
B3R 32
B3R 45
B3R 65
B3R 80
B3R 100

SLD

SLD

Dentex® B4R - Series Performance Data

SP
ED

ED

T

T

Notes: 	 n  1 indicates: Weight is calculated using maximum bore and no keyway.
n  2 indicates: Minimum and maximum bore sizes are given for straight bores. For Taper bores and splines, contact Lovejoy Technical Support.

Max
Speed
RPM
10,200
8,300
7,000
5,000
3,800
3,000
2,400

Angular
Degrees

1°■
Per■
Hub

Misalignment
Axial
in
mm

+/-.039

+/-1

Weight 1
Parallel
in
mm
0.016
0.4
0.016
0.4
0.016
0.4
0.016
0.4
0.024
0.6
0.028
0.7
0.031
0.8

kg
0.3
0.8
1.1
1.5
5.4
11.6
20.7

lbs
0.7
1.8
2.4
3.3
11.9
25.6
45.6

ID1 - ID2 2
Min Bore
Max Bore
in
mm
in
mm
0.44
10
0.94
24
0.44
10
1.13
28
0.50
12
1.25
32
0.81
20
1.56
42
1.25
32
2.38
65
1.19
30
3.00
80
1.62
40
3.75
100

Notes: 	 n  1 indicates: Weight is calculated using maximum bore and no keyway.
n  2 indicates: Minimum and maximum bore sizes are given for straight bores. For Taper bores and splines, contact Lovejoy Technical Support.

G-30

144

630-852-0500

Gear

Dentex (Nylon Sleeve Series)
®

Dimensional Data
JW

JW

JIS

JIS

CJ

CJ

B

B4R

B3R

SF
mm
23
25
26
40
40
40
42
50
60
70
90
110

in
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.24
0.31

mm
4
4
4
4
4
4
4
4
4
4
6
8

in
1.57
1.89
2.05
2.60
2.99
3.27
3.62
3.94
4.92
5.51
6.89
8.27

mm
40
48
52
66
76
83
92
100
125
140
175
210

in
0.98
1.26
1.42
1.73
1.97
2.28
2.56
2.68
3.27
3.78
4.88
5.98

mm
25
32
36
44
50
58
65
68
83
96
124
152

T - Metric
Set Screw
Size SL (mm)
M5
6
M5
6
M5
6
M8
10
M8
10
M8
10
M8
10
M8
10
M10
20
M10
20
M10
20
M12
30

T - Inch
Set Screw
Size
SL (in)
10-24
0.24
10-24
0.24
10-24
0.24
5/16-18
0.39
5/16-18
0.39
5/16-18
0.39
5/16-18
0.39
5/16-18
0.39
3/8-16
0.79
3/8-16
0.79
3/8-16
0.79
3/8-16
1.18

mm
50
65
96
124
152

R
(Clearance)
in
mm
1.06 27.0
1.10 28.0
1.57 40.0
1.71 43.5
1.85 47.0

T - Metric
Set Screw
Size SL (mm)
M8
10
M8
10
M10
20
M10
20
M12
30

T - Inch
Set Screw
Size
SL (in)
5/16-18
0.39
5/16-18
0.39
3/8-16
0.79
3/8-16
0.79
3/8-16
0.79

mm
36
44
50
65
96
124
152

R
(Clearance)
in
mm
0.93 23.5
1.02 26.0
1.06 27.0
1.10 28.0
1.57 40.0
1.71 43.5
1.85 47.0

T - Metric
Set Screw
Size SL (mm)
M5
6
M8
10
M8
10
M8
10
M10
20
M10
20
M12
30

T - Inch
Set Screw
Size
SL (in)
10-24
0.24
3/8-16
0.39
3/8-16
0.39
3/8-16
0.39
3/8-16
0.39
3/8-16
0.39
3/8-16
0.39

MC

in
0.91
0.98
1.02
1.57
1.57
1.57
1.65
1.97
2.36
2.76
3.54
4.33

R
(Clearance)
in
mm
0.65 16.5
0.71 18.0
0.73 18.5
0.83 21.0
0.87 22.0
0.87 22.0
0.91 23.0
0.91 23.0
1.20 30.5
1.34 34.0
1.71 43.5
1.85 47.0

G

mm
6.5
7.0
7.5
19.0
18.0
18.0
19.0
27.0
29.5
36.0
46.5
63.0

HD

HP

in
0.26
0.28
0.30
0.75
0.71
0.71
0.75
1.06
1.16
1.42
1.83
2.48

OD

GD

mm
37
37
41
46
48
48
50
50
65
72
93
102

BSE

HP

in
1.46
1.46
1.61
1.81
1.89
1.89
1.97
1.97
2.56
2.83
3.66
4.02

LTB

G

in mm
1.97 50
2.13 54
2.20 56
3.31 84
3.31 84
3.31 84
3.46 88
4.09 104
4.88 124
5.67 144
7.32 186
8.98 228

HTS

MC

Size
B 14
B 19
B 24
B 28
B 32
B 38
B 42
B 48
B 55
B 65
B 80
B 100

LS

GD

OAL

SF

Dentex® B - Series Dimensional Data

in
1.57
1.65
2.76
3.54
4.33

mm
40
42
70
90
110

in
0.16
0.16
0.16
0.24
0.31

mm
4
4
4
6
8

in
3.31
3.94
5.51
6.89
8.27

mm
84
100
140
175
210

in
1.97
2.56
3.78
4.88
5.98

OAL
in
2.01
2.20
2.28
2.36
3.31
3.66
4.02

mm
51
56
58
60
84
93
102

in
0.10
0.55
0.51
0.55
1.18
1.83
2.48

mm
2.5
14.0
13.0
14.0
30.0
46.5
63.0

UJ
in
1.02
1.57
1.57
1.65
2.76
3.54
4.33

mm
26
40
40
42
70
90
110

BSE
in
0.16
0.16
0.16
0.16
0.16
0.24
0.31

OD

mm
4
4
4
4
4
6
8

in
2.28
2.76
3.31
3.94
5.51
6.89
8.27

mm
58
70
84
100
140
175
210

HD
in
1.42
1.73
1.97
2.56
3.78
4.88
5.98

ED

ED

Notes: 	 n  Inch bore and keyway tolerances conform to ANSI / AGMA 9002-B04.
n  Metric bores and keyway tolerances conform to ISO 286 and ANSI / AGMA 9112-A04.

www.lovejoy-inc.com

145

SLD

mm
56
84
84
88
144
186
228

LTB

R

in
2.20
3.31
3.31
3.46
5.67
7.32
8.98

HTS

VSD

Size
B3R 24
B3R 28
B3R 32
B3R 45
B3R 65
B3R 80
B3R 100

LS

UJ

Dentex® B3R - Series Dimensional Data

T

mm
13.0
14.0
30.0
46.5
63.0

SP

in
0.51
0.55
1.18
1.83
2.48

HD

VSD

mm
58
60
84
93
102

OD

R

in
2.28
2.36
3.31
3.66
4.02

BSE

SLD

mm
84
88
144
186
228

LTB

SP

in
3.31
3.46
5.67
7.32
8.98

HTS

T

Size
B4R 32
B4R 45
B4R 65
B4R 80
B4R 100

LS

D

OAL

D

Dentex® B4R - Series Dimensional Data

G-31

Gear

C Universal Hub
Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings
JW

C Type Universal Hub

JIS

JIS

JW

Dimensional Data

CJ

CJ

SF

SF

MC

MC
GD

GD

HP

HP

G

G
C Standard and Universal Hub Dimensions

Size

LTB

LTB1

STD HUB

UNIV HUB

in

in

in

in

in

1.13

0.13

0.25

1.50

3.75

1.5

3.36

1.17

0.13

0.52

1.81

4.00

T

T

TW

in

2.5

SP

3

SP

L3

3.38

2

3.5

4.06

1.50

0.13

0.44

2.06

4.63

4.39

1.52

0.16

0.58

2.25

5.13

4.89

1.77

0.25

0.61

2.63

5.75

5.58

3.33

0.25

0.67

4.25

6.50

4

5.52

3.27

0.25

0.86

4.38

6.63

4.5

6.64

3.89

0.25

0.86

5.00

7.75

5

UJ

UJ

L2

7/8

D

D

L1

6

6.39

4.52

0.25

1.23

6.00

7.88

7.64

4.52

0.25

1.61

6.38

9.50

VSD

VSD

R

R

SLD

SLD

ED

ED

G-32

146

630-852-0500

Gear

Flanged Sleeve
Cut Away
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

CJ

CJ

SF

SF

MC

MC

Draw-off Holes (Optional)
Gasket
Vari-Crown® Hub Teeth

G

Both Hub Diameters are Identical
“O” Ring Seals

Interference Fit

Major Diameter Fit

One Piece Sleeve

Heat-Treated Bolts
for High Strength Coated for
Corrosion Resistance

HP

HP

Larger Bore
Capacity

GD

GD
D
T
SP

SP

T

Two Lubrication Plugs
in Each Half Sleeve

D

Flanges Available in
Both Shrouded and Exposed
Bolt Design

UJ

UJ

VSD

VSD

R

R

SLD

SLD

ED

ED

www.lovejoy-inc.com

147

G

Med. Carbon Steel
Hubs & Sleeves

G-33

Gear
F Type

F Type Flex-Flex Couplings
The F Type coupling consists of two flex hubs, two sleeves and one accessory
kit. This coupling is supplied with exposed bolts as standard. Shrouded bolts are
available upon request through size 5.5.

JIS

JIS

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

CJ

CJ

Features
■■Patented Vari-Crown® tooth form for long life
■■Standard 20° pressure angle

SF

SF

■■Heat treated bolts for greater strength
■■Corrosion resistant bolts and nuts for ease of maintenance
■■Flex Half coupling interchangeable with industry standards

MC

MC

■■Provides parallel, angular misalignment and end float

F Type Performance Data

G

G

ID1 - ID2

HP

HP

Nominal

D
T

Max Angular

Misalignment

Misalignment

Bal

Degrees

RPM

in

in

mm

in

mm

9,000

1.625

42

0.44

11

9

4

0.056

1.4

18,900

2 140

5,500

8,250

2.125

56

0.69

18

19

9

0.060

1.5

2

31,500

3 560

5,000

7,500

2.750

73

0.94

24

34

15

0.085

2.2

2.5

56,700

6 410

4,400

6,600

3.250

85

1.44

37

54

25

0.105

2.7

mm

lbs

kg

94,500

10 700

4,000

6,000

4.000

107

1.44

37

80

36

0.115

2.9

3.5

151,200

17 100

3,500

5,250

4.625

125

1.81

46

130

59

0.130

3.3

1.5°

4

Per Gear Mesh

3

220,500

24 900

3,000

4,500

5.375

145

2.44

62

190

86

0.150

3.8

4.5

302,400

34 200

2,700

4,050

6.000

165

3.00

76

250

114

0.175

4.4

5

434,700

49 100

2,500

3,750

6.500

180

3.00

76

380

173

0.200

5.1

573,300

64 800

2,200

3,300

7.500

200

4.00

101

520

236

0.220

5.6

6

749,700

84 700

2,100

3,150

8.250

225

4.00

101

650

295

0.120

3.0

7

1,008,000

113 900

2,000

3,000

9.500

255

5.00

127

950

431

0.135

3.4

1,323,000

149 500

1,900

2,850

11.500

310

6.00

152

1,560

708

0.160

4.1

1,827,000

206 400

1,800

2,700

12.500

340

7.00

177

2,015

915

0.165

4.2

UJ

8

SP

5.5

T

SP

Bore

Axial

RPM

1.5

Nm

Weight

6,000

D

UJ

Speed
Unbal

in-lb

Rough Stock

850

9

Ordering Information
■■Application: Driver and Driven.

VSD

VSD

Torque

Max Bore

7,600

1

GD

GD

Size

Maximum

■■Power: Motor horspower or torque requirement.

R

R

■■Type and size of coupling, horizontal, vertical etc.
■■Speed: Motor RPM or Driven RPM.
■■Shaft sizes.

SLD
ED

ED

SLD

■■Distance between shaft ends (BSE).

G-34

148

630-852-0500

Gear
F Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

F Type Flex-Flex Couplings

CJ

CJ

SF

SF
MC

MC

Shrouded bolt design
also available

G

G

F Type Dimensional Data
OAL

ID1 - ID2

BSE

AD

FD

D

HD

in

in

in

in

in

in
2.31

Rough Stock
Bore
42

0.44

11

1.69

0.13

2.04

4.56

3.06

2.125

56

0.69

18

1.94

0.13

2.32

6.00

3.97

2

5.00

2.750

73

0.94

24

2.44

0.13

2.94

7.00

4.86

4.00

2.5

6.25

3.250

85

1.44

37

3.03

0.19

3.47

8.38

5.84

4.63

3

7.38

4.000

107

1.44

37

3.59

0.19

3.97

9.44

6.84

3.5

8.63

4.625

125

1.81

46

4.19

0.25

4.57

11.00

7.91

6.50

4

9.75

5.375

145

2.44

62

4.75

0.25

5.00

12.50

9.25

7.50

4.5

10.94

6.000

165

3.00

76

5.31

0.31

5.50

13.63

10.38

5

12.38

6.500

180

3.00

76

6.03

0.31

6.34

15.31

11.56

9.50

5.5

14.13

7.500

200

4.00

101

6.91

0.31

7.04

16.75

12.72

10.50

6

15.13

8.250

225

4.00

101

7.41

0.31

8.35

18.00

14.00

7

17.75

9.500

255

5.00

127

8.69

0.38

9.82

20.75

15.75

13.00

8

22.38

11.500

310

6.00

152

11.00

0.38

12.31

23.25

18.34

15.50

9

23.50

12.500

340

7.00

177

11.50

0.50

13.00

26.00

20.38

D
T
SP

3.00

5.63

8.50

11.50

17.00

VSD
R
SLD

SLD

Notes: 	 n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1 through 5.5.
n  Puller Holes are standard on sizes 4 through 9.
n  Puller Holes are available for sizes 1 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Bore and keyway tolerances conform to ANSI / AGMA 9002-B04.
n  For metric bores and keyway tolerances, consult Lovejoy Engineering Section.

GD

1.625

4.00

ED

ED

www.lovejoy-inc.com

149

UJ

3.50

1.5

SP

1

UJ

mm

VSD

in

T

in

D

in

GD

Size

R

mm

HP

HP

Max Bore

LTB

G-35

Gear

FFR Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

The FRR Type coupling consists of one flex hub, one rigid hub, one sleeve and
one accessory kit. This coupling is supplied with exposed bolts as standard.
Shrouded bolts are available upon request through size 5.5.

Features

CJ

CJ

JIS

JIS

FFR Single Engagement (Flex-Rigid)

■■Standard 20° pressure angle

SF

SF

■■Patented Vari-Crown® tooth form on the Flex Hub for long life
■■Heat treated bolts for greater strength

MC

FFR Type Performance Data

MC

■■Accommodates angular misalignment only

G

■■Corrosion resistant bolts and nuts for ease of maintenance
■■Half coupling interchangeable with industry standards

G

GD
D
T

Flex Hubs

Rigid Hubs

Rigid Hubs

Max Bore

Rough Stock

Max Bore

Rough Stock

in

in

mm

in-lb

Nm

Unbal

Bal

RPM

RPM

in

Bore
mm

in

Weight

Max Angular
Misalignment

Bore
mm

mm

lbs

kg

7,600

850

6,000

9,000

1.625

42

0.44

11

2.125

56

solid

solid

9

4

1.5

18,900

2 140

5,500

8,250

2.125

56

0.69

18

2.813

76

solid

solid

17

8

2

31,500

3 560

5,000

7,500

2.750

73

0.94

24

3.500

95

solid

solid

34

15

1

2.5

56,700

6 410

4,400

6,600

3.250

85

1.44

37

4.250

114

solid

solid

55

25

3

94,500

10 700

4,000

6,000

4.000

107

1.44

37

4.875

134

solid

solid

86

39

Degrees

1.5°

151,200

17 100

3,500

5,250

4.625

125

1.81

46

5.625

150

solid

solid

125

61

Per

4

220,500

24 900

3,000

4,500

5.375

145

2.44

62

6.500

176

solid

solid

195

89

Gear

4.5

302,400

Mesh

3.5

34 200

2,700

4,050

6.000

165

3.00

76

7.625

202

solid

solid

268

122

434,700

49 100

2,500

3,750

6.500

180

3.00

76

8.750

230

4.00

101

394

179

5.5

573,300

64 800

2,200

3,300

7.500

200

4.00

101

9.500

260

4.50

114

526

239

6

749,700

84 700

2,100

3,150

8.250

225

4.00

101

10.500

285

5.50

127

687

312

113 900

2,000

3,000

9.500

255

5.00

127

12.000

320

5.75

139

1,017

462

5

UJ

7

SP

SP

Flex Hubs

Speed

T

UJ

Maximum

Torque

D

1,008,000

8

1,323,000

149 500

1,900

2,850

11.500

310

6.00

152

14.000

375

6.50

165

1,609

730

9

1,827,000

206 400

1,800

2,700

12.500

340

7.00

177

15.500

415

7.50

190

2,128

966

VSD

VSD

Size

ID2

Nominal

GD

Ordering Information
■■Application: Driver and Driven.
■■Type and size of coupling, horizontal, vertical etc.

R

R

HP

HP

ID1

■■Power: Motor horspower or torque requirement.

SLD

■■Distance between shaft ends (BSE).
■■Shaft sizes.

ED

ED

SLD

■■Speed: Motor RPM or Driven RPM.

G-36

150

630-852-0500

Gear

FFR Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

FFR Type Flex-Rigid Couplings

CJ

CJ

SF

SF

MC

MC

G

G

FFR Type Dimensional Data
LTB

Rigid Hubs

Rigid Hubs

Max Bore

Rough Stock

Max Bore

Rough Stock

in

in

1

3.41

1.625

mm
42

AD

FD

Bore

in

mm

in

mm

in

mm

in

in

in

in

in

0.44

11

2.125

56

solid

solid

1.69

1.56

0.16

2.19

4.56

D

HD

in

in

3.06

2.31

2.125

56

0.69

18

2.813

76

solid

solid

1.94

1.84

0.16

2.47

6.00

3.97

3.00

4.88

2.750

73

0.94

24

3.500

95

solid

solid

2.44

2.28

0.16

3.10

7.00

4.86

4.00

2.5

6.13

3.250

85

1.44

37

4.250

114

solid

solid

3.03

2.91

0.19

3.65

8.38

5.84

4.63

4.000

107

1.44

37

4.875

134

solid

solid

3.59

3.41

0.19

4.15

9.44

6.84

5.63

8.38

4.625

125

1.81

46

5.625

150

solid

solid

4.19

3.97

0.22

4.78

11.00

7.91

6.50

4

9.50

5.375

145

2.44

62

6.500

176

solid

solid

4.75

4.43

0.31

5.31

12.50

9.25

7.50

10.68

6.000

165

3.00

76

7.625

202

solid

solid

5.31

5.03

0.34

5.97

13.63

10.38

8.50

12.06

6.500

180

3.00

76

8.750

230

4.00

101

6.03

5.69

0.34

6.69

15.31

11.56

9.50

13.40

7.500

200

4.00

101

9.500

260

4.50

114

6.91

6.15

0.34

7.34

16.75

12.72

10.50

225

4.00

101

10.500

285

5.50

127

7.41

7.41

0.41

8.78

18.00

14.00

11.50

9.500

255

5.00

127

12.000

322

5.75

139

8.69

8.69

0.50

10.31

20.75

15.75

13.00

8

22.50

11.500

310

6.00

152

14.000

375

6.50

165

11.00

11.00

0.50

12.81

23.25

18.34

15.50

9

23.56

12.500

340

7.00

177

15.500

415

7.50

190

11.50

11.50

0.56

13.56

26.00

20.38

17.00

R

R

SLD

SLD
ED

ED

Notes: 	 n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1 through 5.5.
n  Puller Holes are standard on sizes 4 through 9.
n  Puller Holes are available for sizes 1 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Bore and keyway tolerances conform to ANSI / AGMA 9002-B04.
n  For metric bores and keyway tolerances, consult Lovejoy Engineering Section.

VSD

8.250

17.88

www.lovejoy-inc.com

151

VSD

15.23

7

UJ

6

UJ

5
5.5

SP

4.5

SP

7.19

3.5

T

3

T

3.94

2

D

1.5

D

Size

BSE

GD

Bore

LTB 1

HP

ID2
Flex Hubs

GD

ID1
Flex Hubs

HP

OAL

G-37

Gear

FFS Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

The FFS Type coupling consists of two flex-rigid couplings and one floating
shaft. This coupling is supplied with rigid hubs outboard unless otherwise
specified. Exposed bolts are standard. Shrouded bolts are available upon
request tru sizes 5.5.

Features

JIS

JIS

FFS – Floating Shaft Gear Coupling

CJ

JW

Performance Data

CJ

■■Patented Vari-Crown® tooth form on Flex Hubs for long life

SF

SF

■■Standard 20° pressure angle
■■Heat treated bolts for greater strength
■■Accommodates angular, parallel, and axial misalignment

MC

MC

■■Corrosion resistant bolts and nuts for ease of maintenance
■■Removal of center assembly allows for ease of maintenance without
repositioning machinery
■■Rigid hubs outboard allows for larger shaft diameters

G

G
Size
1

T
SP

ID1 - ID2

Rigid Hubs

Rigid Hubs

Flex Hubs

Flex Hubs

Torque

Speed

Max Bore

Rough Stock

Max Bore

Rough Stock

in-lb

1

Nm

Unbal

Bal

Bore

RPM

RPM

in

mm

Angular
Misalignment

Bore
mm

in

mm

in

Max
mm

lbs

kg

7,600

850

6,000

9,000

2.125

56

1.625

42

0.44

11

9

4

18,900

2 140

5,500

8,250

2.813

76

2.125

56

0.69

18

19

9

2.750

73

0.94

24

34

15

3.250

85

1.44

37

54

25

4.000

107

1.44

37

80

36

31,500

3 560

5,000

7,500

3.500

95

2.5

56,700

6 410

4,400

6,600

4.250

114

3

94,500

10 700

4,000

6,000

4.875

134

2

in

Weight

Solid
w/Center

Degrees

3.5

151,200

17 100

3,500

5,250

5.625

150

4.625

125

1.81

46

130

59

4

220,500

24 900

3,000

4,500

6.500

176

5.375

145

2.44

62

190

86

Per

4.5

302,400

34 200

2,700

4,050

7.625

202

6.000

165

3.00

76

250

114

Gear

5

SP

434,700

49 100

2,500

3,750

8.750

231

4.000

101

6.500

180

3.00

76

380

173

Mesh

5.5

573,300

64 800

2,200

3,300

9.500

260

4.500

114

7.500

200

4.00

101

520

236

6

749,700

84 700

2,100

3,150

10.500

288

5.500

127

8.250

225

4.00

101

650

295

7

1,008,000

113 900

2,000

3,000

12.000

318

5.750

139

9.500

255

5.00

127

950

431

8

1,323,000

149 500

1,900

2,850

14.000

380

6.500

165

11.500

310

6.00

152

1,560

708

9

1,827,000

206 400

1,800

2,700

15.500

418

7.500

190

12.500

340

7.00

177

2,015

915

UJ

UJ

ID1 - ID2

T

1.5°

Note: 	 n  1 indicates: Maximum RPM of floating shaft set determined by critical speed of floating shaft.

VSD

VSD

ID1 - ID2

Maximum

D

D

1.5

ID1 - ID2
Nominal

GD

GD

HP

HP

FFS Type Performance Data

R

R

Ordering Information
■■Application: Driver and Driven.
■■Type and size of coupling, horizontal, vertical etc.
■■Speed: Motor RPM or Driven RPM.

SLD

SLD

■■Power: Motor horspower or torque requirement.
■■Distance between shaft ends (BSE).
■■Specify which hubs are to be used on the equipment (Rigid or Flex).

ED

ED

■■Equipment shaft sizes.
■■Rigid hubs will be used on the equipment unless otherwise specified.

G-38

152

630-852-0500

Gear

FFS Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Gear Couplings

JIS

JIS

FFS Type Floating Shaft Couplings

CJ

CJ

Rigid Hubs Outboard

SF

SF

MC

MC

G

G

Flex Hubs Outboard

HP

HP

Maximum RPM of floating shaft set determined by
critical speed of floating shaft

Min

Min

ID1 - ID2

ID1 - ID2

LTB 1

Rigid Hubs

Rigid Hubs

Flex Hubs

Flex Hubs

Max Bore

Rough Stock

Max Bore

Rough Stock

Size

in

in

in

1

8.07

4.94

2.125

mm

in

G

AD

FD

D

Bore
mm

56

in

mm

in

1.625

42

0.44

D1

HD

D

Bore

LTB

D

BSE

mm
11

in

in

in

in

in

in

in

in

1.56

1.69

0.16

2.06

4.56

3.06

3.06

2.31

2.813

76

2.125

56

0.69

18

1.84

1.94

0.16

2.37

6.00

3.97

3.97

3.00

7.50

3.500

95

2.750

73

0.94

24

2.28

2.44

0.16

2.94

7.00

4.84

4.91

4.00

2.5

14.37

8.56

4.250

114

3.250

85

1.44

37

2.91

3.03

0.19

3.53

8.38

5.84

5.91

4.63

9.88

4.875

134

11.31

5.625

150

4.000

107

1.44

37

3.41

3.59

0.19

3.97

9.44

6.84

4.625

125

1.81

46

3.97

4.19

0.22

4.56

11.00

7.91

6.91

5.63

7.91

6.50

SP

16.69
19.25

12.94

6.500

176

5.375

145

2.44

62

4.44

4.75

0.31

5.00

12.50

9.25

9.25

7.50

14.63

7.625

202

6.000

165

3.00

76

5.03

5.31

0.34

5.69

13.63

10.38

10.38

8.50

5

28.07

16.69

8.750

231

4.000

101

6.500

180

3.00

76

5.69

6.03

0.34

6.35

15.31

11.56

UJ

21.82
24.69

11.56

9.50

5.5

30.87

18.56

9.500

260

4.500

114

7.500

200

4.00

101

6.16

6.91

0.34

6.59

16.75

12.72

12.81

10.50

20.56

10.500

288

5.500

127

8.250

225

4.00

101

7.41

7.41

0.41

8.78

18.00

14.00

14.00

11.50

23.25

12.000

318

5.750

139

9.500

255

5.00

127

8.69

8.69

0.50

10.31

20.75

15.75

15.75

13.00

VSD

35.37
40.63

8

49.63

27.63

14.000

380

6.500

165

11.500

310

6.00

152

11.00

11.00

0.50

12.81

23.25

18.34

18.50

15.50

9

52.13

29.13

15.500

418

7.500

190

12.500

340

7.00

177

11.50

11.50

0.56

13.56

26.00

20.38

20.38

17.00

R

R

SLD

SLD
ED

ED

Notes: 	 n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1 through 5.5.
n  Puller Holes are standard on sizes 4 through 9.
n  Puller Holes are available for sizes 1 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Bore and keyway tolerances conform to ANSI / AGMA 9002-B04.
n  For metric bores and keyway tolerances, consult Lovejoy Engineering Section.

www.lovejoy-inc.com

153

VSD

6
7

UJ

4
4.5

SP

3
3.5

Solid
w/Center

T

5.50

12.06

T

9.19

2

1.5

GD

OAL

GD

FFS Type Dimensional Data

G-39

Gear

FHD Type

FHD Type Flex-Flex Couplings
The FHD Type coupling consists of two flex hubs, two sleeves with bolt-on seal carriers and
one accessory kit. This coupling is supplied with exposed bolts only.

JIS

JIS

Lovejoy / Sier-Bath Heavy Duty Flanged Sleeve Gear Couplings
JW

JW

Performance Data

■■Patented Vari-Crown® tooth form for long life

CJ

CJ

Features
■■Standard 20° pressure angle
■■Corrosion resistant bolts and nuts for ease of maintenance

SF

SF

■■Heat treated bolts for greater strength
■■Provides parallel, angular misalignment and end float
■■Designed for high-torque low-speed applications that occur in mill operations

G

G

MC

MC
FHD Type Performance Data
ID1 - ID2

HP

HP

Nominal

7
8

T
SP

RPM

1,008,000

110 000

2,000

1,323,500

150 000

1,900

1,827,700
2,521,000

Angular

Misalignment

Misalignment

Keyway

Degrees

in

mm

lbs

3,000

9.500

255

950

2,850

11.500

310

1,560

kg

in

mm

431

0.135

3.429

708

0.160

4.064

210 000

1,750

2,625

12.500

340

2,015

915

0.165

4.191

280 000

1,550

2,325

13.750

355

2,500

1,135

0.180

4.572

3,466,000

390 000

1,400

2,100

15.500

410

3,380

1,535

0.205

5.207

4,412,000

500 000

1,300

1,950

17.000

435

4,165

1,891

0.210

5.334

5,249,000

600 000

1,150

1,725

18.250

480

5,215

2,368

0.230

5.842

14

6,429,000

730 000

1,050

1,575

19.500

—

6,400

2,906

0.255

6.477

15

7,752,000

880 000

900

1,350

21.000

—

7,710

3,500

0.280

7.112

13

16

28
30

1 070 000

800

1,200

22.500

—

9,250

4,200

0.295

7.493

1 420 000

550

825

25.500

—

11,890

5,398

0.295

7.493

17,017,000

1 920 000

450

675

28.000

—

16,830

7,641

0.280

7.112

21,429,000

2 420 000

380

570

31.000

—

21,970

9,974

0.310

7.874

26,471,000

VSD

26

9,454,000

12,605,000

UJ

20
22

SP

UJ

RPM

T

VSD

Nm

in-lb

Parallel

11

24

32,773,000

2 990 000

325

485

34.000

—

27,735

12,592

0.300

7.620

3 700 000

280

420

37.000

—

34,370

15,604

0.300

7.620

39,076,000

4 410 000

240

360

40.000

—

40,910

18,573

0.320

8.128

47,269,000

5 340 000

220

330

42.000

—

47,470

21,551

0.320

8.128

0.75°
Per Gear Mesh

R

R

Standard

Weight

12

18

Ordering Information
■■Application: Driver and Driven.
■■Type and size of coupling, horizontal, vertical etc.

SLD

SLD

Speed
Bal

D

D

9
10

Max Bore

Unbal

GD

GD

Size

Torque

Maximum

■■Power: Motor horspower or torque requirement.
■■Distance between shaft ends (BSE).

ED

ED

■■Speed: Motor RPM or Driven RPM.
■■Shaft sizes.

G-40

154

630-852-0500

Gear

FHD Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Heavy Duty Flanged Sleeve Gear Couplings

JIS

JIS

FHD Type Flex-Flex Couplings

CJ

CJ

SF

SF

MC

MC

G

G

Max Bore

1 Rectangular

Standard

Keyway

BSE

FD

D

in

in

in

in

HD

mm

in

in

7

17.76

9.500

255

2.5000

0.8750

8.69

0.38

20.75

15.75

13.00

8

22.38

11.500

310

3.0000

1.0000

11.00

0.38

23.25

18.34

15.50

9

23.50

12.500

340

3.0000

1.0000

11.50

0.50

26.00

20.38

17.00

D

Depth

in

in

12.00

0.50

28.00

22.31

18.50

1.5000

13.13

0.50

30.50

24.36

21.00

12

28.25

17.000

435

4.0000

1.5000

13.88

0.50

33.00

26.63

22.75

13

30.00

18.250

480

5.0000

1.7500

14.63

0.75

35.75

28.88

24.75

14

31.75

19.500

—

5.0000

1.7500

15.50

0.75

38.00

31.68

15

33.75

21.000

—

5.0000

1.7500

16.50

0.75

40.50

32.97

28.50

16

35.75

22.500

—

6.0000

2.0000

17.38

1.00

43.00

35.13

30.38

18

37.00

25.500

—

6.0000

2.0000

18.00

1.00

47.25

39.25

20

43.25

28.000

—

7.0000

2.5000

21.13

1.00

53.50

43.50

38.00

22

47.00

31.000

—

8.0000

2.7500

23.00

1.00

59.00

47.63

41.81

24

50.50

34.000

—

9.0000

3.0000

24.75

1.00

64.25

51.75

26

54.00

37.000

—

9.0000

3.0000

26.50

1.00

68.50

55.88

49.38

28

55.25

40.000

—

10.0000

3.5000

27.13

1.00

73.75

60.00

53.00

30

56.25

42.000

—

10.0000

3.5000

27.63

1.00

78.00

64.13

SP
UJ
VSD
R

26.50

34.25

45.50

57.00

SLD

SLD
ED

ED

Notes: 	 n  Exposed Bolt Design is standard.
n  Puller Holes are standard.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to ANSI / AGMA 9002-B04, for bores above 18 inches, keyways conform to ANSI B17.1.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.

T

1.2500

4.0000

www.lovejoy-inc.com

155

R

3.5000

410

VSD

355

15.500

UJ

13.750

26.75

SP

24.50

11

T

10

D

Width

in

Size

GD

Keyway

LTB

GD

ID1 - ID2

HP

OAL

HP

FHD Type Dimensional Data

G-41

Gear

FHDFR Type

FHDFR Type Flex-Rigid Couplings
The FHDFR Type coupling consists of one flex hub, one sleeve
with bolt-on seal carrier, one rigid hub and one accessory kit. This
coupling is supplied with exposed bolts only.

JIS

JIS

Lovejoy / Sier-Bath Heavy Duty Flanged Sleeve Gear Couplings
JW

JW

Performance Data

■■Patented Vari-Crown® tooth form for long life

CJ

CJ

Features
■■Standard 20° pressure angle

SF

SF

■■Heat treated bolts for greater strength
■■Corrosion resistant bolts and nuts for ease of maintenance

MC

FHDFR Type Performance Data

MC

■■Designed for high-torque low-speed applications that occur in
mill operations

G

■■Provides parallel, angular misalignment and end float

G

Torque

7

T

Bal

RPM

RPM

2,000

3,000

ID2
Rigid Hubs

Weight

Max

Max Bore

Max Bore

Angular

Std Keyway

Std Keyway

Misalignment

in

mm

in

mm

lbs

9.500

255

12.000

320

1,017

kg

1,324

150

1,900

2,850

11.500

310

14.000

375

1,609

730

1,827

210

1,750

2,625

12.500

340

15.500

415

2,128

966

2,521

280

1,550

2,325

13.750

355

17.000

455

2,723

1,236

11

3,466

390

1,400

2,100

15.500

410

18.500

500

3,640

1,653

12

4,412

500

1,300

1,950

17.000

435

20.250

—

4,508

2,047

13

5,249

600

1,150

1,725

18.250

480

22.000

—

5,600

2,542

14

6,429

730

1,050

1,575

19.500

—

23.500

—

6,837

3,104

880

900

1,350

21.000

—

24.250

—

8,244

3,743

9,454

1 070

800

1,200

22.500

—

26.000

—

9,848

4,471

18

12,605

1 420

550

825

25.500

—

28.000

—

12,673

5,754

20

UJ

SP

7,752

16

17,017

1 920

450

675

28.000

—

31.000

—

18,113

8,223

22

21,429

2 420

380

570

31.000

—

34.000

—

23,671

10,747

24

26,471

15

Degrees

462

8

T

SP

110

Unbal

ID1
Flex Hubs

9
10

UJ

Speed
Nm

x 1000

1,008

D

D

Size

GD

GD

in-lb

2 990

325

485

34.000

—

37.000

—

29,958

13,601

26

VSD

32,773

3 700

280

420

37.000

—

40.000

—

37,014

16,845

28

39,076

4 410

240

360

40.000

—

43.000

—

44,012

19,981

30

47,269

5 340

220

330

42.000

—

46.000

—

51,065

23,184

0.75°
Per
Gear
Mesh

R

R

VSD

Maximum

HP

HP

Nominal

SLD

SLD

Ordering Information
■■Application: Driver and Driven.
■■Type and size of coupling, horizontal, vertical etc.
■■Power: Motor horspower or torque requirement.

ED

ED

■■Speed: Motor RPM or Driven RPM.
■■Distance between shaft ends (BSE).
■■Shaft sizes.

G-42

156

630-852-0500

Gear

FHDFR Type
Dimensional Data
JW

JW

Lovejoy / Sier-Bath Heavy Duty Flanged Sleeve Gear Couplings		

JIS

JIS

FHDFR Type Flex-Rigid Couplings

CJ

CJ

SF

SF

MC

MC

G
mm

in

in

in

in

in

HP
in

17.81

9.500

255

12.000

320

8.69

8.69

0.50

20.75

15.75

13.00

22.50

11.500

310

14.000

375

11.00

11.00

0.50

23.25

18.34

15.50

23.56

12.500

340

15.500

415

11.50

11.50

0.56

26.00

20.38

17.00

24.63

13.750

355

17.000

455

12.00

12.00

0.63

28.00

22.31

18.50

11

26.88

15.500

410

18.500

500

13.13

13.13

0.63

30.50

24.36

21.00

28.38

17.000

435

20.250

—

13.88

13.88

0.63

33.00

26.63

22.75

30.00

18.250

480

22.000

—

14.63

14.63

0.75

33.75

28.88

24.75

31.75

19.500

—

23.500

—

15.50

15.50

0.75

38.00

31.00

26.50

33.75

21.000

—

24.250

—

16.50

16.50

0.75

40.50

32.97

28.50

16

35.75

22.500

—

26.000

—

17.38

17.38

1.00

43.00

35.13

30.38

18

37.00

25.500

—

28.000

—

18.00

18.00

1.00

47.25

39.25

34.25

43.25

28.000

—

31.000

—

21.13

21.13

1.00

53.50

43.50

38.00

47.13

31.000

—

34.000

—

23.00

23.00

1.13

59.00

47.63

41.81

24

50.63

34.000

—

37.000

—

24.75

24.75

1.13

64.25

51.75

45.50

54.13

37.000

—

40.000

—

26.50

26.50

1.13

68.50

55.88

49.38

55.38

40.000

—

43.000

—

27.13

27.13

1.13

73.75

60.00

53.00

30

56.38

42.000

—

46.000

—

27.63

27.63

1.13

78.00

64.13

57.00

R
SLD
ED

ED

Notes: 	 n  Exposed Bolt Design is standard.
n  Puller Holes are standard.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to ANSI / AGMA 9002-B04, for bores above 18 inches, keyways
are to ANSI B17.1.
n  Metric bore and keyway tolerances conform to ISO 286 and ANSI / AGMA 9112-A04.
n  Consult Lovejoy Technical Support for metric bores larger than 500mm.

VSD

26
28

UJ

20
22

SP

14
15

T

12
13

D

9
10

GD

7
8

GD

in

HD

D

Std Keyway

mm

D

T

Std Keyway
in

FD

SP

Max Bore

BSE

UJ

Rigid Hubs

Max Bore

LTB1

VSD

Flex Hubs

LTB

R

in

ID2

HP

Size

ID1

SLD

OAL

G

FHDFR Type Dimensional Data

www.lovejoy-inc.com

157

G-43

Gear

FHDFS Type
Lovejoy / Sier-Bath Heavy Duty Flanged Sleeve Gear Couplings
JW

JW

Performance Data

The FHDFS Type coupling consists of two flex-rigid couplings and one floating shaft. The coupling is supplied
with the rigid hubs outboard unless otherwise specified. The coupling comes with exposed bolts only.

JIS

JIS

FHDFS Type Floating Shaft Couplings

■■Patented Vari-Crown® tooth form on Flex Hubs for long life

CJ

CJ

Features
■■Standard 20° pressure angle
■■Corrosion resistant bolts and nuts for ease of maintenance

SF

SF

■■Heat treated bolts for greater strength
■■Accommodates parallel and angular misalignment

MC

MC

■■Removal of center assembly allows forease of maintenance without repositioning machinery
■■Rigid hubs outboard allows for larger shaft diameters

G

FHDFS Type Performance Data

GD
D
T

Flex Hubs

Rigid Hubs

Torque

Speed

Max Bore

Max Bore

1

in-lb

Weight

Max Angular
Misalignment

Unbal

Bal

Std Keyway

Std Keyway

Nm

RPM

RPM

in

mm

in

mm

lbs

Degrees
kg

1,008,000

113 900

2,000

3,000

9.500

255

12.000

320

1,017

462

1,323,000

149 000

1,900

2,850

11.500

310

14.000

375

1,609

730

9

1,827,000

206 400

1,750

2,625

12.500

340

15.500

415

2,128

966

10

2,521,000

280 000

1,550

2,325

13.750

355

17.000

455

2,723

1,236

11

3,500,000

390 000

1,400

2,100

15.500

410

18.500

500

3,640

1,653

4,400,000

500 000

1,300

1,950

17.000

435

20.250

—

4,508

2,047

0.75°

13

5,300,000

600 000

1,150

1,725

18.250

480

22.000

—

5,600

2,542

Per Gear Mesh

14

6,400,000

730 000

1,050

1,575

19.500

—

23.500

—

6,837

3,104

7,700,000

880 000

900

1,350

21.000

—

24.250

—

8,244

3,743

12

SP

15

T

16

9,500,000

1 070 000

800

1,200

22.500

—

26.000

—

9,848

4,471

18

12,600,000

1 420 000

550

825

25.500

—

28.000

—

12,673

5,754

17,000,000

1 920 000

450

675

28.000

—

31.000

—

18,113

8,223

21,400,000

2 420 000

380

570

31.000

—

34.000

—

23,671

10,747

20

UJ

26,500,000

2 990 000

325

488

34.000

—

37.000

—

29,958

13,601

32,800,000

3 700 000

280

420

37.000

—

40.000

—

37,104

16,845

28

39,100,000

4 410 000

240

360

40.000

—

43.000

—

44,012

19,981

30

47,300,000

5 340 000

220

330

42.000

—

46.000

—

51,065

23,184

24
26

VSD

VSD

ID2

Maximum

8

22

R

R

ID1
Nominal

7

D

SP

Size

GD

UJ

HP

HP

G

■■Designed for high-torque low-speed applications that occur in mill operations

■■Distance between shaft ends (BSE).

■■Type and size of coupling, horizontal, vertical etc.

■■Specify which hubs are to be used on the equipment (Rigid or Flex).

■■Power: Motor horspower or torque requirement.

■■Rigid hubs will be used on the equipment unless otherwise specified.

■■Speed: Motor RPM or Driven RPM.

■■Length of floating shaft may affect max angular misalignment.

ED

ED

Ordering Information
■■Application: Driver and Driven.

SLD

SLD

Note: 	 n  1 indicates: Maximum RPM of floating shaft set determined by critical speed of floating shaft.

G-44

■■Connecting equipment shaft sizes.

158

630-852-0500

Gear

FHDFS Type
Dimensional Data
JW

JW

Lovejoy / Sier-Bath Heavy Duty Flanged Sleeve Gear Couplings

JIS

JIS

FHDFS Type Floating Shaft Couplings

CJ

CJ

Flex Hubs Outboard

SF

SF

MC

MC

Rigid Hubs Outboard

in

Max Bore

Max Bore

Std Keyway

Std Keyway

G
LTB

G

FD

D

HP

LTB 1

D1

HD

GD

ID2
Rigid Hubs

mm

in

mm

in

in

in

in

in

in

in

255

12.000

320

8.69

8.69

0.50

20.75

15.75

15.75

13.00

11.500

310

14.000

375

11.00

11.00

0.50

23.25

18.34

18.50

15.50

9

From Customer

12.500

340

15.500

415

11.50

11.50

0.56

26.00

20.38

20.38

17.00

10

Specifications

13.750

355

17.000

455

12.00

12.00

0.63

28.00

22.31

22.38

18.50

T

To Be Determined

410

18.500

500

13.13

13.13

0.63

30.50

24.36

24.50

21.00

435

20.250

—

13.88

13.88

0.63

33.00

26.63

26.63

22.75

SP

15.500
17.000

480

22.000

—

14.63

14.63

0.75

33.75

28.88

28.88

24.75

—

23.500

—

15.50

15.50

0.75

38.00

31.00

31.00

26.50

15

21.000

—

24.250

—

16.50

16.50

0.75

40.50

32.97

33.13

28.50

UJ

18.250
19.500

16

22.500

—

26.000

—

17.38

17.38

1.00

43.00

35.13

35.13

30.38

18

25.500

—

28.000

—

18.00

18.00

1.00

47.25

39.25

39.25

34.25

—

31.000

—

21.13

21.13

1.00

53.50

43.50

43.50

38.00

—

34.000

—

23.00

23.00

1.13

59.00

47.63

47.63

41.81

VSD

28.000
31.000

—

37.000

—

24.75

24.75

1.13

64.25

51.75

51.75

45.50

—

40.000

—

26.50

26.50

1.13

68.50

55.88

55.88

49.38

R

34.000
37.000

28

40.000

—

43.000

—

27.13

27.13

1.13

73.75

60.00

60.00

53.00

30

42.000

—

46.000

—

27.63

27.63

1.13

78.00

64.13

64.13

57.00

159

SLD
ED

ED

www.lovejoy-inc.com

SLD

Notes: 	 n  Exposed Bolt Design is standard.
n  Puller Holes are standard.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to ANSI / AGMA 9002-B04, for bores about 18 inches, keyways are to ANSI B17.1.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.
n  Consult Lovejoy Technical Support for metric bores larger than 500mm.

R

24
26

VSD

20
22

UJ

13
14

SP

11
12

T

8

D

in
9.500

D

in

7

ID1
Flex Hubs

GD

Size

BSE

HP

FHDFS Type Dimensional Data
OAL

G

Maximum RPM of floating shaft set determined by
critical speed of floating shaft

G-45

Gear

FMM Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

Features

CJ

CJ

The FMM Type coupling consists of one standard flex hub, one universal straight
bored hub as standard, two sleeves and one accessory kit. This coupling is
supplied with exposed bolts as standard. Shrouded bolts are available upon
request through size 5.5.

JIS

JIS

FMM Type Mill Couplings

■■Standard 20° pressure angle

SF

SF

■■Patented Vari-Crown® tooth form for long life
■■Heat treated bolts for greater strength
■■Provides parallel, angular misalignment and end float

MC

MC

■■Corrosion resistant bolts and nuts for ease of maintenance
■■Flex Half coupling interchangeable with industry standards
■■Long Universal Hub supplied to customer specifications with straight or
tapered bores

HP

Unbal

in-lb

Nm

Max Bore

Rough Stock

Weight

Bore

Parallel

Max Angular

Misalignment

Misalignment

Bal

Degrees

RPM

RPM

in

mm

lbs

9,000

1.625

42

0.44

11

12

1.5

18,900

2 140

5,500

8,250

2.125

56

0.69

18

2

31,500

3 560

5,000

7,500

2.750

73

0.94

24

2.5

56,700

6 410

4,400

6,600

3.250

85

1.44

37

94,500

10 700

4,000

6,000

4.000

107

1.44

37

151,200

17 100

3,500

5,250

4.625

125

1.81

46

151

T

T

Speed

6,000

3.5

SP

SP

Maximum

Torque

850

3

mm

in

kg

in

mm

5

0.056

1.4

24

11

0.060

1.5

45

20

0.085

2.2

71

32

0.105

2.7

104

47

0.115

2.9

69

0.130

3.3

220,500

24 900

3,000

4,500

5.375

145

2.44

62

234

86

0.150

3.8

4.5

302,400

34 200

2,700

4,050

6.000

165

3.00

76

310

141

0.175

4.4

5

434,700

4

5.5
6

49 100

2,500

3,750

6.500

180

3.00

76

450

204

0.200

5.1

573,300

64 800

2,200

3,300

7.500

200

4.00

101

609

276

0.220

5.6

749,700

84 700

2,100

3,150

8.250

225

4.00

101

764

347

0.120

3.0

UJ

UJ

Nominal

7,600

1

D

D

Size

1.5°
Per Gear Mesh

VSD

VSD

ID1 - ID2

GD

GD

HP

G

G
FMM Type Performance Data

Ordering Information
■■Application: Driver and Driven.
■■Power: Motor horspower or torque requirement.

R

R

■■Type and size of coupling, horizontal, vertical etc.
■■Speed: Motor RPM or Driven RPM.

SLD

SLD

■■Distance between shaft ends (BSE).
■■Shaft sizes.

■■Taper per foot and length of taper if tapered bore is required.

ED

ED

■■Specify counterbore dimensions if desired.
■■Submit a drawing if available.

G-46

160

630-852-0500

Gear

FMM Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

FMM Type Mill Couplings

CJ

CJ

SF

SF

MC

MC

ID1 - ID2

BSE

FD

D

Max

in
1.625

mm
42

in

mm

in

in

in

in

in

in

0.44

11

1.69

4.00

0.13

4.56

3.06

2.31

6.56

2.125

56

0.69

18

1.94

4.50

0.13

6.00

3.97

8.06

2.750

73

0.94

24

2.44

5.50

0.13

7.00

4.86

3.250

85

1.44

37

3.03

6.50

0.19

8.38

5.84

10.78

4.000

107

1.44

37

3.59

7.00

0.19

9.44

6.84

3.5

11.94

4.625

125

1.81

46

4.19

7.50

0.25

11.00

7.91

2.5

13.25

5.375

145

2.44

62

4.75

8.25

0.25

12.50

9.25

14.63

6.000

165

3.00

76

5.31

9.00

0.31

13.63

10.38

4.63
5.63
6.50
7.50
8.50

6.500

180

3.00

76

6.03

9.50

0.31

15.31

11.56

9.50

7.500

200

4.00

101

6.91

10.50

0.31

16.75

12.72

10.50

6

18.97

8.250

225

4.00

101

7.41

11.25

0.31

18.00

14.00

11.50

VSD

VSD

R

R
SLD

SLD

Notes: 	 n  LTB1 Dimensions are the maximum lengths of Universal Hubs kept in stock and altered to customer specifications. Longer length
hubs are made to order.
n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1 through 5.5.
n  Puller Holes are standard on sizes 4 through 6.
n  Puller Holes are available for sizes 1 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to ANSI / AGMA 9002-B04.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.

UJ

15.84
17.72

ED

ED

www.lovejoy-inc.com

161

UJ

5
5.5

SP

4
4.5

4.00

T

9.72

3

3.00

D

1.5
2

D

5.81

T

in

1

GD

Bore
Size

HD

GD

Rough Stock

LTB1

SP

Max Bore

LTB

HP

OAL

HP

G

G

FMM Type Dimensional Data

G-47

Gear

FMM Mill Motor Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

Features

CJ

CJ

The FMM Type coupling consists of one standard flex hub, one universal straight bored
hub as standard, two sleeves and one accessory kit. This coupling is supplied with
exposed bolts as standard. Shrouded bolts are available upon request through size 5.5.

JIS

JIS

FMM Type Mill Motor Couplings

■■Patented Vari-Crown® tooth form for long life
■■Heat treated bolts for greater strength

SF

SF

■■Standard 20° pressure angle
■■Corrosion resistant bolts and nuts for ease of maintenance

■■Long Universal Hub used for AISE Motor Frames

G

G

■■Flex Half coupling interchangeable with industry standards

MC

MC

■■Provides parallel, angular misalignment and end float

FMM Type Mill Motor Performance Data

Size

D
T
SP

Nm

Rough Stock

Weight

Bore

Parallel

Max Angular

Misalignment

Misalignment

Bal

Degrees

RPM

RPM

in

in

mm

lbs

kg

in

mm

850

6,000

9,000

1.625

42

0.44

11

12

5

0.056

1.4

18,900

2 140

5,500

8,250

2.125

56

0.69

18

24

11

0.060

1.5

31,500

3 560

5,000

7,500

2.75

73

0.94

24

45

20

0.085

2.2

mm

2.5

56,700

6 410

4,400

6,600

3.25

85

1.44

37

71

32

0.105

2.7

3

94,500

10 700

4,000

6,000

4.000

107

1.44

37

104

47

0.115

2.9

3.5

151,200

17 100

3,500

5,250

4.625

125

1.81

46

151

69

0.130

3.3

4

220,500

24 900

3,000

4,500

5.375

145

2.44

62

234

86

0.150

3.8

4.5

302,400

34 200

2,700

4,050

6.000

165

3.00

76

310

141

0.175

4.4

SP

434,700

49 100

2,500

3,750

6.500

180

3.00

76

450

204

0.200

5.1

5.5

573,300

64 800

2,200

3,300

7.500

200

4.00

101

609

276

0.220

5.6

6

749,700

84 700

2,100

3,150

8.250

225

4.00

101

764

347

0.120

3.0

5

UJ

UJ

Unbal

Max Bore

7,600

T

1.5°
Per Gear Mesh

Ordering Information
■■Application: Driver and Driven.

VSD

VSD

Speed

D

2

Maximum

Torque
in-lb

1
1.5

Nominal

GD

GD

HP

HP

ID1 - ID2

■■Type and size of coupling, horizontal, vertical etc.
■■Speed: Motor RPM or Driven RPM.

R

R

■■Power: Motor horspower or torque requirement.
■■Distance between shaft ends (BSE).
■■Mill Motor frame size.

SLD

■■Submit a drawing if available.

ED

ED

SLD

■■Shaft sizes.

G-48

162

630-852-0500

Gear

FMM Mill Motor Type
Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

FMM Type Mill Motor Couplings

CJ

CJ

SF

5.375

4.75

6.000

5.31

6.500

6.03

7.500

6.91

8.250

7.41

3.00

0.13

7.00

4.86

4.00

2.5

0.19

8.38

5.84

4.63

3

0.19

9.44

6.84

5.63

3.5

0.25

11.00

7.91

6.50

4

0.25

12.50

9.25

7.50

4.5

0.31

13.63

10.38

8.50

5

0.31

15.31

11.56

9.50

5.5

0.31

16.75

12.72

10.50

6

0.31

18.00

14.00

11.50

ED

163

SLD

www.lovejoy-inc.com

R

Notes: 	 n  * indicates: That a counterbore is required.
n  Bore taper is 1-1⁄4 inch per foot on diameter.
n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1.5 through 5.5.
n  Puller Holes are standard on sizes 4 through 6.
n  Puller Holes are available for sizes 1.5 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to ANSI / AGMA 9002-B04.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.
n  1/4 inch hub standoff.

MC

4.19

3.97

in
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.38
0.25
0.25
0.38
0.38
0.50
0.38
0.38
0.50
0.38
0.38
0.50
0.75
0.38
0.50
0.75
0.75
0.38
0.50
0.75
0.75

G

4.625

6.00

H

in
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.75
0.50
0.75
0.75
0.75
0.75
0.75
0.75
1.00
0.75
0.75
1.00
1.25
1.25
1.00
1.25
1.25
1.00
1.25
1.25
1.50
1.25
1.25
1.50
1.50
1.25
1.25
1.50
1.50

HP

2

1.06 *
1.13 *
1.13 *
1.13
1.13
1.25
1.19
1.19
1.31
1.44
1.31
1.44
1.56
1.69
1.50
1.63
1.75
1.88
1.63
1.75
1.88
2.00
1.56
1.94
2.06
1.63
1.94
2.06
1.63
2.06
2.06
1.63
2.06
2.69
2.06
1.63
2.06
2.69

W

GD

3.59

0.13

in
1.7485 - 1.7495
1.998 - 1.999
1.998 - 1.999
1.998 - 1.999
1.998 - 1.999
2.498 - 2.499
1.998 - 1.999
1.998 - 1.999
2.498 - 2.499
2.998 - 2.999
2.498 - 2.499
2.998 - 2.999
3.248 - 3.249
3.623 - 3.624
2.998 - 2.999
3.248 - 3.249
3.623 - 3.624
4.270 - 4.2485
3.248 - 3.249
3.623 - 3.624
4.2470 - 4.2485
4.6220 - 4.6235
4.9970 - 4.9985
4.2470 - 4.2485
4.6220 - 4.6235
4.9970 - 4.9985
4.2470 - 4.2485
4.6220 - 4.6235
4.9970 - 4.9985
5.8720 - 5.8735
4.6220 - 4.6235
4.9970 - 4.9985
5.8720 - 5.8735
6.2470 - 6.2485
4.6220 - 4.6235
4.9970 - 4.9985
5.8720 - 5.8735
6.2470 - 6.2485

D

4.000

in

T

3.03

in

SP

3.250

in

UJ

2.44

in

VSD

1.5

No
602/802
603/803
604/804
603/803
604/804
606/806
603/803
604/804
606/806
608/808
606/806
608/808
610/810
612/812
608/808
610/810
612/812
614/814
610/810
612/812
614/814
616/816
618/818
614/814
616/816
618/818
614/814
616/816
618/818
620
616/816
618/818
620
622
616/816
618/818
620
622

R

Size

Mill Motor Hub Kw

SLD

2.750

TB

VSD

1.94

HD

UJ

2.125

in
3.00
3.50
3.50
3.50
3.50
4.00
3.50
3.50
4.00
4.50
4.00
4.50
4.50
5.00
4.50
4.50
5.00
5.00
4.50
5.00
5.00
5.50
6.00
5.00
5.50
6.00
5.00
5.50
6.00
6.75
5.50
6.00
6.75
7.25
5.50
6.00
6.75
7.25

D

SP

in

FD

T

in

BSE

D

in
6.00
6.56
6.56
7.06
7.06
7.69
7.72
7.72
8.34
8.34
8.91
9.53
9.66
10.28
10.19
10.31
10.94
11.06
10.88
11.50
11.63
12.25
12.31
12.25
12.88
12.94
12.97
13.59
13.66
14.84
14.47
14.53
15.72
16.84
14.97
15.03
16.22
17.34

G1

GD

LTB1

HP

LTB

G

ID1

MC

OAL

Frame

ED

AISE

SF

FMM Type Mill Motor Dimensional Data

G-49

Gear

FSL Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

The FSL Type coupling consists of one or two modified flex hubs depending on the
maximum slide required, two sleeves, one plate with lube holes and one accessory kit.
The coupling is supplied with exposed bolts as standard. Shrouded bolts are available
upon request through size 5.5.

Features

CJ

CJ

JIS

JIS

FSL Type Slide Coupling

■■Standard 20° pressure angle

SF

SF

■■Patented Vari-Crown® tooth form for long life
■■Heat treated bolts for greater strength

MC

MC

■■Corrosion resistant bolts and nuts for ease of maintenance
■■Assembled to suit a wide range of axial movement

G

G

■■Plates with lube holes so both halves of the coupling will be adequately lubricated

FSL Type Performance Data

Size

GD

GD

HP

HP

ID1 - ID2

1

T

in-lb

Nm

Max Bore

Rough Stock

Weight

Max Angular

Bore

Unbal

Bal

RPM

RPM

in

Misalignment
Degrees

mm

in

mm

lbs

kg
4

7,600

850

6,000

9,000

1.625

42

0.44

11

9

18,900

2 140

5,500

8,250

2.125

56

0.69

18

19

9

31,500

3 560

5,000

7,500

2.750

73

0.94

24

34

15

56,700

6 410

4,400

6,600

3.250

85

1.44

37

54

25

94,500

10 700

4,000

6,000

4.000

107

1.44

37

80

36

151,200

17 100

3,500

5,250

4.625

125

1.81

46

130

59

1.5°

4

220,500

24 900

3,000

4,500

5.375

145

2.44

62

190

86

Per Gear Mesh

4.5

302,400

34 200

2,700

4,050

6.000

165

3.00

76

250

114

434,700

49 100

2,500

3,750

6.500

180

3.00

76

380

173

573,300

64 800

2,200

3,300

7.500

200

4.00

101

520

236

749,700

84 700

2,100

3,150

8.250

225

4.00

101

650

295

1,008,000

113 900

2,000

3,000

9.500

255

5.75

139

950

431

3.5

5

SP

6
7

UJ

UJ

Speed

2.5

5.5

Ordering Information
■■Application: Driver and Driven.

VSD

VSD

Maximum

Torque

3

T

SP

2

D

D

1.5

Nominal

■■Type and size of coupling, horizontal, vertical etc.
■■Speed: Motor RPM or Driven RPM.

R

R

■■Power: Motor horspower or torque requirement.

■■Shaft sizes.

SLD

■■Amount of slide required.

ED

ED

SLD

■■Distance between shaft ends (maximum-minimum shaft separation).

G-50

164

630-852-0500

Gear

FSL Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

FSL Type Slide Couplings

CJ

CJ

Shrouded Bolt Design
Also Available

SF

SF

MC

MC

G

G

HP

2 Hubs Reversed
And Modified

HP

1 Hub Reversed
And Modified

OAL1

L1

L2

ID1 - ID2

AP1

G

Rough Stock

Std

Slide

Max

Min

Bore

Hub

Hub

FD

D

HD

Slide

Hub

Half

Size

in

in

in

in

in

in

in

in

in

in

in

in

1

3.81

4.13

1.75

2.06

1.625

42

0.44

11

1.59

1.50

0.41

0.31

4.56

3.06

2.31

1.5

4.25

4.50

2.00

2.25

2.125

56

0.69

18

1.84

1.75

0.34

0.31

6.00

3.97

3.00

2

5.69

6.38

2.50

3.19

2.750

73

0.94

24

2.34

2.25

0.78

0.31

7.00

4.86

4.00

2.5

7.03

7.81

3.13

3.91

3.250

85

1.44

37

2.94

2.78

0.94

0.38

8.38

5.84

4.63

3

8.03

8.69

3.69

4.34

4.000

107

1.44

37

3.50

3.13

1.03

0.38

9.44

6.84

5.63

3.5

9.19

9.75

4.31

4.88

4.625

125

1.81

46

4.09

3.59

1.06

0.44

11.00

7.91

6.50
7.50

in

mm

T

mm

D

Std

Reversed

4.88

5.56

5.375

145

2.44

62

4.56

3.94

1.31

0.63

12.50

9.25

13.06

5.47

6.53

6.000

165

3.00

76

5.13

4.50

1.69

0.69

13.63

10.38

5

13.72

15.06

6.19

7.53

6.500

180

3.00

76

5.84

5.22

1.97

0.69

15.31

11.56

9.50

5.5

15.34

16.56

7.06

8.28

7.500

200

4.00

101

6.72

5.88

2.06

0.69

16.75

12.72

10.50

6

16.53

17.94

7.56

8.97

8.250

225

4.00

101

7.16

7.09

1.47

0.81

18.00

14.00

11.50

7

19.06

20.38

8.88

10.19

9.500

255

5.75

139

8.38

7.78

1.91

1.00

20.75

15.75

13.00

VSD
R
SLD
ED

ED

165

SLD

www.lovejoy-inc.com

8.50

R

Notes: 	 n  1 indicates: AP Max = Maximum slide per coupling half.
n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1 through 5.5.
n  Puller Holes are standard on sizes 4 through 9.
n  Puller Holes are available for sizes 1 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to AGMA 9002-B04.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.

UJ

11.13

12.00

VSD

10.44

4.5

UJ

4

SP

Two Hubs

T

One Hub
Reversed

D

LTB1

SP

Max Bore

LTB

GD

OAL

GD

FSL Type Dimensional Data

G-51

Gear

FSLX Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

CJ

CJ

The FSLX Type basic coupling consists of a standard flex half and a custom
designed long slide half. The standard flex half can be replaced by a reversed and
modified hub for additional slide requirement. These couplings are also supplied with
a plate with lube holes. The coupling is supplied with exposed bolts as standard.
Shrouded bolts available upon request through size 5.5.

JIS

JIS

FSLX Type Long Slide Couplings

Features

SF

SF

■■Patented Vari-Crown® tooth form for long life
■■Standard 20° pressure angle
■■Corrosion resistant bolts and nuts for ease of maintenance

MC

MC

■■Heat treated bolts for greater strength
■■Assembled to suit a wide range of axial movement

G

G

■■Plates with lube holes so both halves of the coupling will be adequately lubricated

FSLX Type Performance Data

GD

Size

GD

in

1.5

18,900

2 140

5,500

8,250

2.125

2

31,500

3 560

5,000

7,500

2.750

2.5

56,700

6 410

4,400

6,600

94,500

10 700

4,000

6,000

151,200

17 100

3,500

220,500

24 900

3,000

4.5

302,400

34 200

5

434,700
573,300

T

T
SP

SP

Max Angular
Misalignment
Degrees

RPM

5.5

Weight

Bore
Bal

RPM

4

Rough Stock

Speed
Unbal
Nm

3.5

mm

in

mm

lbs

kg

56

0.69

18

19

9

73

0.94

24

34

15

3.250

85

1.44

37

54

25

4.000

107

1.44

37

80

36

5,250

4.625

125

1.81

46

130

59

1.5°

4,500

5.375

145

2.44

62

190

86

Per Gear Mesh

2,700

4,050

6.000

165

3.00

76

250

114

49 100

2,500

3,750

6.500

180

3.00

76

380

173

64 800

2,200

3,300

7.500

200

4.00

101

520

236

6

749,700

84 700

2,100

3,150

8.250

225

4.00

101

650

295

7

1,008,000

113 900

2,000

3,000

9.500

255

5.75

139

950

431

UJ

UJ

Max Bore

in-lb

3

Ordering Information
■■Application: Driver and Driven.

VSD

VSD

Maximum

Torque

D

D

HP

HP

ID1 - ID2
Nominal

■■Type and size of coupling, horizontal, vertical etc.
■■Power: Motor horspower or torque requirement.
■■Distance between shaft ends (maximum-minimum shaft separation).

R

R

■■Speed: Motor RPM or Driven RPM.

■■Amount of slide required.

SLD

SLD

■■Shaft sizes.
■■HL Dimension.
■■LTB2 Dimension.

ED

ED

G-52

166

630-852-0500

Gear

FSLX Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

FSLX Type Long Slide Couplings

CJ

CJ

One Hub reversed with
long slide half

FSLX Type Dimensional Data
Std

Slide

Hub

Half

ID1 - ID2
Max Bore

LTB

LTB2

G

AP1

AP2

AP3

Rough

Std

Slide

Min

Long

Long Slide

Long Slide

Stock

Hub

Hub

Slide

w/one Hub

Both Ends

Max

Reversed

Max

Bore

HL

FD

HD

GD

in

mm

in

in

in

in

in

in

in

in

in

in

2.125

56

0.69

18

1.84

2.19

0.31

3.38

3.72

6.75

4.88

6.00

3.97

3.00

2

10.88

2.50

8.38

2.750

73

0.94

24

2.34

2.69

0.31

3.31

4.09

6.63

4.91

7.00

4.86

D

4.00

2.5

13.59

3.13

10.47

3.250

85

1.44

37

2.94

3.28

0.38

4.16

5.09

8.31

6.13

8.83

5.84

4.63

3

21.72

3.69

18.03

4.000

107

1.44

37

3.50

3.84

0.38

7.78

8.81

15.56

10.06

9.44

6.84

5.63

3.5

22.38

4.31

18.06

4.625

125

1.81

46

4.09

4.44

0.44

7.66

8.72

15.31

10.19

11.00

7.91

6.50

4

23.00

4.88

18.13

5.375

145

2.44

62

4.56

5.00

0.63

7.50

8.81

15.00

10.31

12.50

9.25

7.50

4.5

23.75

5.47

18.28

6.000

165

3.00

76

5.13

5.56

0.69

7.38

9.06

14.75

10.56

13.63

10.38

8.50

5

24.16

6.19

17.97

6.500

180

3.00

76

5.84

6.28

0.69

7.06

9.03

14.13

10.56

15.31

11.56

9.50

5.5

25.09

7.06

18.03

7.500

200

4.00

101

6.72

6.88

0.69

6.81

8.88

13.63

10.88

16.75

12.72

10.50

6

25.66

7.56

18.09

8.250

225

4.00

101

7.16

7.66

0.81

6.81

8.28

13.63

10.88

18.00

14.00

11.50

7

27.06

8.88

18.19

9.500

255

5.75

139

8.38

8.94

1.00

6.81

8.72

13.63

10.88

20.75

15.75

13.00

UJ
VSD

VSD

R

R
SLD

SLD

Notes: 	 n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1 through 5.5.
n  Puller Holes are standard on sizes 4 through 9.
n  Puller Holes are available for sizes 1 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to AGMA 9002-B04.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.

SP

in

8.41

ED

ED

www.lovejoy-inc.com

167

UJ

in

2.00

SP

in

10.41

T

in

1.5

D

Size

T

Max
mm

D

HP

L2

HP

L1

GD

OAL

G

G

Alternate Type hub shaft
contact is deep inside hub

MC

Standard Half

MC

SF

SF

Long Slide Half

G-53

Gear

FSPCR Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

Features

CJ

CJ

The FSPCR Type coupling consists of two flex hubs, two sleeves, one spacer and two
accessory kits. This coupling is supplied with exposed bolts as standard. Shrouded bolts are
available upon request through size 5.5.

JIS

JIS

FSPCR Type Spacer Couplings

■■Patented Vari-Crown® tooth form for long life
■■Heat treated bolts for greater strength

SF

SF

■■Standard 20° pressure angle
■■Corrosion resistant bolts and nuts for ease of maintenance

MC

FSPCR Type Performance Data

MC

■■Removal of spacer provides adequate space for the removal of either coupling half
without moving the driver or driven units

G

■■Provides parallel, angular misalignment and end float

G
HP

HP

ID1 - ID2
Nominal

Maximum

Torque

Speed

GD

GD

1
2

D

D

1.5
2.5

T

Nm

mm

Max Angular

Less

Misalignment

Spacer

Degrees

RPM

RPM

in

in

mm

lbs

7,600

850

6,000

9,000

1.625

42

0.44

11

9

kg
4

18,900

2 140

5,500

8,250

2.125

56

0.69

18

19

9

31,500

3 560

5,000

7,500

2.750

73

0.94

24

34

15

56,700

6 410

4,400

6,600

3.250

85

1.44

37

54

25

94,500

10 700

4,000

6,000

4.000

107

1.44

37

80

36

17 100

3,500

5,250

4.625

125

1.81

46

130

59

1.5°

4

220,500

24 900

3,000

4,500

5.375

145

2.44

62

190

86

Per Gear Mesh

4.5

302,400

34 200

2,700

4,050

6.000

165

3.00

76

250

114

3.5

T
SP

SP

Bore
Bal

Weight

151,200

3

434,700

49 100

2,500

3,750

6.500

180

3.00

76

380

173

5.5

573,300

64 800

2,200

3,300

7.500

200

4.00

101

520

236

6

749,700

84 700

2,100

3,150

8.250

225

4.00

101

650

295

1,008,000

113 900

2,000

3,000

9.500

255

5.00

127

950

431

5

7

UJ

UJ

in-lb

Rough Stock

1

Unbal
Size

Max Bore

Ordering Information
■■Application: Driver and Driven.
■■Type and size of coupling, horizontal, vertical etc.

R

R

VSD

VSD

Note: 	 n  1 indicates: Maximum RPM of spacer set determined by critical speed of spacer.

■■Power: Motor horspower or torque requirement.

SLD

■■Distance between shaft ends (BSE).
■■Shaft sizes.

ED

ED

SLD

■■Speed: Motor RPM or Driven RPM.

G-54

168

630-852-0500

Gear

FSPCR Type
Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

FSPCR Type Spacer Couplings

CJ

CJ

SF

SF

MC

MC
G

FSPCR Type Dimensional Data
ID1 - ID2

LTB

BSE

in

in

G

FD

D

HD

Rough Stock

Determined

2.32

2.125

56

0.69

18

1.94

by

2.94

2.750

73

0.94

24

2.44

Shaft

3.47

3.250

85

1.44

37

Separation

3.97

4.000

107

1.44

37

3.5

4.57

4.625

125

1.81

46

4

5.00

5.375

145

2.44

4.5

5.50

6.000

165

3.00

5

6.34

6.500

180

5.5

7.04

7.500

200

6

8.35

8.250

7

9.82

9.500

2.5
3

in

in

in

in

4.56

3.06

2.31

D

1.69

2

in

0.06

3.00

2.41

Determined

0.06

6.00

3.97

3.00

3.75

3.13

by

0.06

7.00

4.86

4.00

4.75

4.00

3.03

Customer

0.09

8.38

5.84

4.63

T

11

1.5

mm

5.50

4.78

3.59

Specs

0.09

9.44

6.84

5.63

6.50

5.75

4.19

0.13

11.00

7.91

6.50

7.38

6.63

62

4.75

0.13

12.50

9.25

7.50

8.63

7.75

76

5.31

0.16

13.63

10.38

8.50

9.38

8.50

3.00

76

6.03

0.16

15.31

11.56

9.50

10.38

4.00

101

6.91

0.16

16.75

12.72

10.50

11.44

225

4.00

101

7.41

0.16

18.00

14.00

11.50

12.38

11.44

255

5.00

127

8.69

0.19

20.75

15.75

13.00

14.00

13.00

9.56
10.56

R
SLD
ED

ED

Notes: 	 n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1 through 5.5.
n  Puller Holes are standard on sizes 4 through 9.
n  Puller Holes are available for sizes 1 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to AGMA 9002-B04.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.

in

www.lovejoy-inc.com

169

VSD

0.44

UJ

in

42

SP

mm

T

in
1.625

D

in
2.04

UJ

in

VSD

in

1

D2

SP

Bore
Size

D1

GD

Max Bore

GD

AD

R

S

SLD

OAL

HP

HP

G

Shrouded bolt design also
available

G-55

Gear

FLEF Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

Features

CJ

CJ

The FLEF Type coupling consists of two flex hubs, two sleeves, one accessory kit and a
steel plate to limit the movement. This coupling is supplied with exposed bolts as standard.
Shrouded bolts are available upon request through size 5.5.

JIS

JIS

FLEF Type Limited End Float Couplings

■■Patented Vari-Crown® tooth form for long life

MC

■■Corrosion resistant bolts and nuts for ease of maintenance
■■Provides and maintains restriced end float in sleeve bearings and rotor systems where
thrust is not permitted

MC

■■Optional flow-through steel plate with lube holes available

FLEF Type Performance Data

G

G

■■Heat treated bolts for greater strength

SF

SF

■■Standard 20° pressure angle

GD

Size

Nm

Bore

Unbal

Bal

RPM

RPM

in

mm

in

Parallel

Max Angular

Misalignment

Misalignment
Degrees

mm

lbs

kg

in

mm

850

6,000

9,000

1.625

42

0.44

11

9

4

0.056

1.4

2 140

5,500

8,250

2.125

56

0.69

18

19

9

0.060

1.5

2

31,500

3 560

5,000

7,500

2.750

73

0.94

24

34

15

0.085

2.2

56,700

6 410

4,400

6,600

3.250

85

1.44

37

54

25

0.105

2.7

94,500

10 700

4,000

6,000

4.000

107

1.44

37

80

36

0.115

2.9

151,200

17 100

3,500

5,250

4.625

125

1.81

46

130

59

0.130

3.3

1.5°

4

220,500

24 900

3,000

4,500

5.375

145

2.44

62

190

86

0.150

3.8

Per Gear Mesh

4.5

302,400

3.5

T

T

Speed

Weight

7,600

D

34 200

2,700

4,050

6.000

165

3.00

76

250

114

0.175

4.4

434,700

49 100

2,500

3,750

6.500

180

3.00

76

380

173

0.200

5.1

5.5

573,300

64 800

2,200

3,300

7.500

200

4.00

101

520

236

0.220

5.6

6

749,700

84 700

2,100

3,150

8.250

225

4.00

101

650

295

0.120

3.0

113 900

2,000

3,000

9.500

255

5.00

127

950

431

0.135

3.4

5

UJ

7

SP

SP

Rough Stock

18,900

3

UJ

Max Bore

1.5

1

2.5

1,008,000

Ordering Information
■■Application: Driver and Driven.

VSD

VSD

Maximum

Torque

in-lb

GD

D

HP

HP

ID1 - ID2
Nominal

■■Type and size of coupling, horizontal, vertical etc.
■■Speed: Motor RPM or Driven RPM.

R

R

■■Power: Motor horspower or torque requirement.
■■Distance between shaft ends (BSE).

SLD

■■Amount of thrust on either or both shafts.
■■Submit a drawing if available.

ED

ED

SLD

■■Shaft sizes.

G-56

170

630-852-0500

Gear

FLEF Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

FLEF Type Limited End Float Couplings

LEF
PLATE

CJ

CJ

SF

SF

MC

MC

G

G

ID1 - ID2
Max Bore

LTB

BSE

Rough Stock

F1

ST

FD

D

in

in

(ref)

HD

HP

OAL

HP

FLEF Type Dimensional Data

Bore
in

0.44

56

0.69

11

1.69

0.19

0.13

0.13

4.56

3.06

18

1.94

0.19

0.13

0.13

6.00

3.97

3.00

2

5.06

2.750

73

0.94

2.5

6.34

3.250

85

1.44

24

2.44

0.19

0.13

0.13

7.00

4.86

4.00

37

3.03

0.28

0.19

0.19

8.38

5.84

4.63

3

7.47

4.000

107

1.44

37

3.59

0.28

0.19

0.19

9.44

6.84

5.63

3.5

8.69

4.625

4

9.88

5.375

125

1.81

46

4.19

0.31

0.25

0.19

11.00

7.91

6.50

145

2.44

62

4.75

0.38

0.25

0.25

12.50

9.25

7.50

4.5

11.06

5

12.59

6.000

165

3.00

76

5.31

0.44

0.25

0.31

13.63

10.38

8.50

6.500

180

3.00

76

6.03

0.53

0.31

0.38

15.31

11.56

5.5
6

14.34

7.500

200

4.00

101

6.91

0.53

0.31

0.38

16.75

12.72

10.50

15.28

8.250

225

4.00

101

7.41

0.47

0.31

0.31

18.00

14.00

11.50

7

17.94

9.500

255

5.00

127

8.69

0.56

0.38

0.38

20.75

15.75

in
2.31

9.50

13.00

VSD
R
SLD

SLD

Notes: 	 n  1 indicates: F is the total end float. (May be modified.)
n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1 through 5.5.
n  Puller Holes are standard on sizes 4 through 9.
n  Puller Holes are available for sizes 1 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to AGMA 9002-B04.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.

D

42

2.125

T

1.625

4.06

SP

3.56

1.5

GD

in

ED

ED

www.lovejoy-inc.com

171

UJ

in

SP

in

T

1

mm

UJ

in

VSD

mm

R

in

D

in

GD

Size

G-57

Gear

FRR Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

The F Type coupling consists of two rigid hubs and one accessory kit. This coupling is supplied
with exposed bolts as standard. Shrouded bolts are available upon request through size 5.5.

JIS

JIS

FRR Type Rigid-Rigid Couplings

■■All Steel construction

CJ

CJ

Features
■■Torque capacities that exceed the mild steel shafts to be coupled
■■Corrosion resistant bolts and nuts for ease of maintenance

SF

SF

■■Heat treated bolts for greater strength
■■Rigid Half coupling interchangeable with industry standards

G

G

MC

MC
FRR Type Performance Data

GD

Size

GD

T

Speed

in-lb

Nm

Weight

Rough Stock

Max Angular

Bore

Misalignment

Unbal

Bal

RPM

RPM

in

mm

in

mm

Degrees
lbs

kg

7,600

850

6,000

9,000

2.125

56

solid

solid

10

2 140

5,500

8,250

2.813

76

solid

solid

20

9

2

31,500

3 560

5,000

7,500

3.500

95

solid

solid

34

15

2.5

56,700

6 410

4,400

6,600

4.250

114

solid

solid

60

27

94,500

10 700

4,000

6,000

4.875

134

solid

solid

91

41

3.5

151,200

17 100

3,500

5,250

5.625

150

solid

solid

143

65

4

220,500

24 900

3,000

4,500

6.500

176

solid

solid

211

96

T

5

4.5

302,400

34 200

2,700

4,050

7.625

202

solid

solid

289

131

5

434,700

49 100

2,500

3,750

8.750

230

4.00

101

417

189

5.5

573,300

64 800

2,200

3,300

9.500

260

4.50

114

541

246

749,700

84 700

2,100

3,150

10.500

285

5.50

127

724

329

1,008,000

113 900

2,000

3,000

12.000

320

5.75

139

1,084

492

6
7

SP

SP

Torque

Max Bore

18,900

3

0°

Ordering Information
■■Application: Driver and Driven.

UJ

UJ

Maximum

1.5

1

D

D

HP

HP

ID1 - ID2
Nominal

VSD

VSD

■■Type and size of coupling, horizontal, vertical etc.
■■Power: Motor horspower or torque requirement.
■■Speed: Motor RPM or Driven RPM.
■■Shaft sizes.

R

R

■■Distance between shaft ends (BSE).
■■Submit drawing if available.

SLD

SLD

ED

ED

G-58

172

630-852-0500

Gear

FRR Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

FRR Type Rigid-Rigid Couplings

CJ

CJ

SF

SF

MC

MC

OAL2

ID1 - ID2

LTB

FD

Rough Stock
Bore

in

in

mm

in

mm

in

in

in

in

3.31

1.66

2.125

56

solid

solid

1.56

0.19

4.56

3.06

1.5

3.88

1.94

2.813

76

solid

solid

1.84

0.19

6.00

3.97

2.38

3.500

95

solid

solid

2.28

0.19

7.00

4.86

3.00

4.250

114

solid

solid

2.91

0.19

8.38

5.84

T

4.75
6.00

3.50

4.875

134

solid

solid

3.41

0.19

9.44

6.84

4.07

5.625

150

solid

solid

3.97

0.19

11.00

7.91

4

9.25

4.63

6.500

176

solid

solid

4.44

0.38

12.50

10.44

5.22

7.625

202

solid

solid

5.03

0.38

13.63

SP

7.00
8.13

9.25
10.38

8.750

230

4.00

101

5.69

0.38

15.31

9.500

260

4.50

114

6.16

0.38

16.75

6

14.88

7.44

10.500

285

5.50

127

7.25

0.50

18.00

14.00

7

17.88

8.94

12.000

320

5.75

139

8.69

0.63

20.75

15.75

11.56
12.72

R

R

VSD

UJ

5.88
6.35

SLD

SLD

ED

ED

www.lovejoy-inc.com

173

VSD

11.75
12.69

UJ

5
5.5

Notes: 	 n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1 through 5.5.
n  Puller Holes are standard on sizes 4 through 7.
n  Puller Holes are available for sizes 1 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to AGMA 9002-B04.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.

SP

3
3.5

T

2
2.5

4.5

D

in

1

D

Size

HD

GD

Max Bore

BSE

GD

OAL

HP

HP

G

G

FRR Type Dimensional Data

G-59

Gear

FLA Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

Features

CJ

CJ

The FLA Type coupling consists of two special flex hubs, Two sleeves and one accessory kit. This
coupling is supplied with exposed bolts as standard. Shrouded bolts are available upon request
through size 5.5.

JIS

JIS

FLA Type Flex-Flex All-Metal Labyrinth Seal Couplings

■■All-Metal Labyrinth Seals
■■Patented Vari-Crown® tooth form for long life

SF

SF

■■AISI 4140 Alloy Steel Construction
■■Standard 20° pressure angle
■■Corrosion resistant bolts and nuts for ease of maintenance

MC

MC

■■Heat treated bolts for greater strength
■■Provides parallel, angular misalignment and end float
■■Flex Half coupling interchangeable with industry standards

G

G
ID1 - ID2

HP

HP

FLA Type Performance Data
Nominal

Maximum

Max Bore

Rough Stock

Speed

Standard

Bore

Torque

in

mm

in

1.5

15,000

1 700

12,000

18,000

1.625

41

35,500

4 000

9,300

13,950

2.125

53

69,300

7 800

7,900

11,850

2.750

118,900

13 400

6,800

10,200

3.125

2

T

T

RPM

Max Angular

Misalignment

Misalignment
Degrees

Nm

3

mm

lbs

0.38

9

17.6

0.5

12

29.1

69

0.75

19

50.9

79

1.13

28

74.4

kg

in

mm

8

0.028

0.7

13

0.035

0.9

23

0.044

1.1

34

0.052

1.3

188,500

21 300

6,000

9,000

3.750

95

1.50

38

120

55

0.061

1.5

1.5°

4

283,800

32 100

5,260

7,890

4.250

107

1.50

38

185

84

0.700

1.8

Per Gear Mesh

4.5

393,800

44 500

4,770

7,155

4.750

120

1.50

38

240

109

0.079

2.0

551,300

62 300

4,300

6,450

5.500

139

2.50

63

365

166

0.087

2.2

732,500

82 800

3,880

5,820

5.875

149

3.00

76

435

198

0.096

2.4

952,500

107 600

3,600

5,400

6.500

165

4.00

101

538

244

0.105

2.7

1,512,500

170 900

3,000

4,500

8.0001

203

4.50

114

860

390

0.122

3.1

3.5

5
5.5
7

UJ

6

SP

SP

RPM

Parallel

Keyway

in-lb

2.5

UJ

Bal

Size

D

D

GD

GD

Unbal

Weight

Ordering Information
■■Application: Driver and Driven.
■■Type and size of coupling, horizontal, vertical etc.

R

R

VSD

VSD

Note: 	 n  1 Indicates: Maximum bore for square keyway.

■■Power: Motor horspower or torque requirement.
■■Distance between shaft ends (BSE).

SLD

■■Shaft sizes.

ED

ED

SLD

■■Speed: Motor RPM or Driven RPM.

G-60

174

630-852-0500

Gear

FLA Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

FLA Type All Metal Labyrinth Seal Couplings

CJ

CJ

SF

SF

MC

MC

G

G

W

ID1 - ID2

LTB

BSE

FD

D

HD

C/L - C/L

Puller

Bore

of Teeth*

Holes

GD

Rough Stock

Standard

2

in

in

in

in

in

in

4.19

1.50

1.625

41

0.38

5.19

1.50

2.125

53

0.50

9

1.94

12

2.44

0.13

6.00

3.97

2.19

3.25

1/4-20

0.13

7.00

4.91

2.88

4.00

38-16

2.5

6.44

1.75

2.750

69

0.75

19

3.03

0.19

8.38

5.91

3.63

5.00

1/2-13

3

7.69

1.75

3.125

79

3.5

8.88

2.25

3.750

95

1.13
1.50

28

3.59

0.19

9.44

6.91

4.25

6.00

5/8-11

38

4.19

0.25

11.00

7.91

5.00

7.00

5/8-11

4

10.13

2.50

4.250

4.5

11.38

2.50

4.750

107
120

1.50

38

4.75

0.25

12.50

9.25

5.75

8.00

7/8-9

1.50

38

5.31

0.31

13.63

10.38

6.50

9.00

1-8

D

1.5

mm

T

in

SP

mm

3.00

5.500

139

2.50

63

6.03

0.31

15.31

11.56

7.31

10.00

1-8

1.88

5.875

149

3.00

76

6.91

0.31

16.75

12.81

8.00

11.00

1-8

6

15.13

2.00

6.500

165

4.00

101

7.41

0.31

18.00

14.00

8.81

12.00

1-8

7

17.75

2.25

8.0001

203

4.50

114

8.69

0.38

20.75

15.75

10.31

14.00

1 1/4-7

VSD

VSD

R

R

SLD

SLD
ED

ED

Notes: 	 n  1 indicates: Maximum bore for square keyway.
n  * indicates: Center line to center line of teeth.
n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1 through 5.
n  Puller Holes are standard on sizes 4 through 7.
n  Puller Holes are available for sizes 1 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to AGMA 9002-B04.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.

UJ

12.63
14.13

www.lovejoy-inc.com

175

UJ

5
5.5

SP

in

T

in

D

in

GD

Max Bore
Keyway
Size

HP

OAL

HP

FLA Type Dimensional Data

G-61

Gear

FLAFR Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

Features

CJ

CJ

The FLAFR Type coupling consists of one special flex hub, one rigid hub, one sleeve and one
accessory kit. This coupling is supplied with exposed bolts as standard. Shrouded bolts are
available upon request through size 5.5.

JIS

JIS

FLAFR Type Flex-Rigid All-Metal Labyrinth Seal Couplings

■■All-metal labyrinth seal
■■Patented Vari-Crown® tooth form for long life

SF

SF

■■AISI 4140 alloy steel construction (flex half)
■■Standard 20° pressure angle
■■Corrosion resistant bolts and nuts for ease of maintenance

MC

MC

■■Heat treated bolts for greater strength
■■Provides angular misalignment only
■■Flex Half coupling interchangeable with industry standards

G

G
HP

HP

FLAFR Type Performance Data

1.5
2.5

Flex Hubs

Flex Hubs

Rigid Hubs

Rigid Hubs

Speed

Max Bore

Rough Stock

Max Bore

Rough Stock

Misalignment

Standard

Bore

Standard

Bore

Degrees

Max Angular

Bal

Nm

RPM

RPM

in

15,000

1 700

12,000

18,000

1.625

41

0.38

9

2.813

76

0.75

19

19

8

35,500

4 000

9,300

13,950

2.125

53

0.50

12

3.500

95

1.00

25

31

14

in-lb

Keyway

Weight

Unbal

Keyway

mm

in

mm

in

mm

in

mm

lbs

kg

69,300

7 800

7,900

11,850

2.750

69

0.75

19

4.250

114

1.50

38

55

25

118,900

13 400

6,800

10,200

3.125

79

1.13

28

4.875

134

1.75

44

83

38

.5°

3.5

188,500

21 300

6,000

9,000

3.750

95

1.50

38

5.625

150

2.50

63

131

60

Per

4

283,800

32 100

5,260

7,890

4.250

107

1.50

38

6.500

176

3.00

76

193

88

Gear
Mesh

4.5

393,800

44 500

4,770

7,155

4.750

120

1.50

38

7.625

202

3.50

88

258

117

5

551,300

62 300

4,300

6,450

5.500

139

2.50

63

8.750

230

4.00

101

383

174

82 800

3,880

5,820

5.875

149

3.00

76

9.500

260

4.50

114

436

198

5.5

UJ

732,500

952,500

107 600

3,600

5,400

6.500

165

4.00

101

10.500

285

5.00

127

536

243

1,512,500

170 900

3,000

4,500

8.0001

203

4.50

114

12.000

320

5.50

139

851

386

Note: 	 n  1 indicates: Maximum bore for square keyway.
Ordering Information
■■Application: Driver and Driven.

R

VSD

VSD

6
7

R

UJ

ID2

Maximum

SP

SP

3

ID1

Torque

T

T

2

ID2

Nominal

D

D

GD

GD
Size

ID1

■■Type and size of coupling, horizontal, vertical etc.

SLD

SLD

■■Power: Motor horspower or torque requirement.
■■Speed: Motor RPM or Driven RPM.
■■Distance between shaft ends (BSE).
■■Shaft sizes.

ED

ED

G-62

176

630-852-0500

Gear

FLAFR Type
Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

FLAFR Type Flex-Rigid All Metal Labyrinth Seal Couplings

CJ

CJ

SF

SF

MC

MC

G

G

ID2

ID1

ID2

Flex Hubs

Flex Hubs

Rigid Hubs

Rigid Hubs

Max Bore

Rough

Max Bore

Rough

Flex

Rigid

Standard

Stock

Standard

Stock

Hub

Hub

Keyway

Bore

Keyway

Bore

HD

D

D

GD

Puller Holes

mm

in

in

in

in

in

in

in

in

in

41

0.38

9

2.813

76

0.75

19

1.94

1.84

0.16

6.00

3.97

2.19

3.97

1/4-20

None

2

4.97

2.38

2.125

53

0.50

12

3.500

95

1.00

25

2.44

2.28

0.16

7.00

4.86

2.88

4.91

38-16 5/16-18

2.5

6.22

3.00

2.750

69

0.75

19

4.250

114

1.50

38

3.03

2.91

0.19

8.38

5.84

3.63

5.91

1/2-13

3/8-16

3

7.41

3.50

3.125

79

1.13

28

4.875

134

1.75

44

3.59

3.41

0.19

9.44

6.84

4.25

6.91

5/8-11

1/2-13

3.5

8.56

4.06

3.750

95

1.50

38

5.625

150

2.50

63

4.19

3.97

0.22

11.00

7.91

5.00

7.91

5/8-11

1/2-13

4

9.69

4.63

4.250

107

1.50

38

6.500

176

3.00

76

4.75

4.44

0.31

12.50

9.25

5.75

9.25

7/8-9

5/8-11

4.5

10.91

5.22

4.750

120

1.50

38

7.625

202

3.50

88

5.31

5.03

0.34

13.63

10.38

6.50

10.38

1-8

5/8-11

5

12.19

5.88

5.500

139

2.50

63

8.750

230

4.00

101

6.03

5.69

0.34

15.31

11.56

7.31

11.56

1-8

3/4-10

5.5

13.41

6.34

5.875

149

3.00

76

9.500

260

4.50

114

6.91

6.16

0.34

16.75

12.72

8.00

12.81

1-8

1-8

6

15.22

7.66

6.500

165

4.00

101

10.500

285

5.00

127

7.41

7.41

0.41

18.00

14.00

8.81

14.00

1-8

1-8

7

17.88

9.00

8.0001

203

4.50

114

12.000

320

5.50

139

8.69

8.69

0.50

20.75

15.75

10.31

15.75

1 1/4-7

1-8

R
SLD
ED

ED

Notes: 	 n  1 indicates: Maximum bore for square keyway.
n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1 through 5.
n  Puller Holes are standard on sizes 4 through 7.
n  Puller Holes are available for sizes 1 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to AGMA 9002-B04.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.

T

in

1.625

www.lovejoy-inc.com

177

VSD

in

1.94

UJ

in

4.03

SP

in

1.5

T

Size

SP

mm

HD1

UJ

in

FD

R

mm

BSE

SLD

in

LTB1

D

mm

LTB

GD

ID1

VSD

HL

HP

OAL

HP

FLAFR Type Dimensional Data

G-63

Gear

FLAMM and FLAMMFR Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

CJ

CJ

FLAMMFR Type Flex-Rigid Mill Motor Couplings
The FLAMMFR Type coupling consists of a rigid hub, one universal flex hub bored to
A.I.S.E. frame size, one sleeve and one accessory kit. This coupling is supplied with
exposed bolts as standard. Shrouded bolts are available upon request through size 5.5.

SF

SF

The FLAMM Type coupling consists of one standard FLA flex hub, one universal flex
hub bored to an A.I.S.E. frame size, two sleeves and one accessory kit. This coupling
is supplied with exposed bolts as standard. Shrouded bolts are available upon request
through size 5.5.

JIS

JIS

FLAMM Type Flex-Flex Mill Motor Couplings

■■Patented Vari-Crown® tooth form for long life on Flex Half

MC

MC

Features
■■Standard 20° pressure angle
■■Corrosion resistant bolts and nuts for ease of maintenance

G

G

■■Heat treated bolts for greater strength
■■Provides parallel, angular misalignment and end float
■■Long Universal Hub used for A.I.S.E. Motor Frames

HP

HP

■■Flex Half coupling interchangeable with industry standards

FLAMM and FLAMMFR Type Performance Data
ID2

ID1

ID2

Max

Flex Hub

Flex Hub

Rigid Hub

Rigid Hub

Torque

Speed

Max Bore

Rough Stock

Max Bore

Rough Stock

Misalignment

Angular

Standard

Bore

Standard

Bore

FLAMM only

Misalignment

GD

GD

ID1

Nominal

D

D
Unbal

SP
UJ

RPM

RPM

in

5,500

8,250

1.625

41

0.38

9

2.813

2

31,500

3 560

5,000

7,500

2.125

53

0.50

12

2.5

56,700

6 410

4,400

6,600

2.750

69

0.75

19

in

mm

in

mm

in

mm

in

mm

76

solid

solid

lbs
24

kg
11

0.28

0.7

3.500

95

solid

solid

45

20

0.35

0.9

4.250

114

solid

solid

71

32

0.44

1.1

3

94,500

10 700

4,000

6,000

3.125

79

1.13

28

4.875

134

solid

solid

104

47

0.52

1.3

.5°

3.5

151,200

17 100

3,500

5,250

3.750

95

1.50

38

5.625

150

solid

solid

151

69

0.61

1.5

Per

4

220,500

24 900

3,000

4,500

4.250

17

1.50

38

6.500

176

solid

solid

234

86

0.70

1.8

Gear

4.5

302,400

34 200

2,700

4,050

4.750

120

1.50

38

7.625

202

solid

solid

310

141

0.79

2.0

Mesh

5

434,700

49 100

2,500

3,750

5.500

139

2.50

63

8.750

230

4.00

101

450

204

0.87

2.2

5.5

573,300

64 800

2,200

3,300

5.875

149

3.00

76

9.500

260

4.50

114

609

276

0.96

2.4

749,700

84 700

2,100

3,150

6.500

165

4.00

101

10.500

285

5.50

127

764

347

0.105

2.7

1,008,000 113 900

2,000

3,000

8.000

203

4.50

114

12.000

320

5.75

139

1,212

551

0.122

3.1

6

VSD

1

Notes: 	 n  1 indicates: Maximum bore for square keyway.
n  Application: Driver and Driven.
n  Type and size of coupling, horizontal, vertical etc.
n  Power: Motor horspower or torque requirement.
n  Speed: Motor RPM or Driven RPM.
n  Distance between shaft ends (BSE).
n  Shaft sizes.
n  Mill Motor frame size.
n  Submit a drawing if available.

R

R

mm

Degrees

UJ

VSD

Nm
2 140

Max

SP
SLD

SLD

Parallel

Keyway

18,900

7

ED

ED

Keyway

in-lb

1.5

T

T

Size

Bal

Weight

G-64

178

630-852-0500

Gear

FLAMM and FLAMMFR Type
Dimensional Data
JW

JW

Lovejoy / Seir-Bath Flanged Sleeve Gear Couplings
FLAMM and FLAMMFR Type
All Metal Labyrinth Seal Mill Motor Couplings

JIS

JIS

OAL 2

OAL 3

LTB

LTB1

LTB2

CJ
G

BSE

BSE 1

FD

D

HD

HD 1

TB

6.91

6.16

7.41

7.41

8.69

8.69

0.19

0.19

8.38

5.91

3.63

5.84

0.19

0.19

9.44

6.91

4.25

6.84

0.25

0.22

11.00

7.91

5.00

7.91

0.25

0.31

12.50

9.25

5.75

9.25

0.31

0.34

13.63

10.38

6.50

10.38

0.31

0.34

15.31

11.56

7.31

11.56

0.31

0.34

16.75

12.81

8.00

12.72

0.31

0.41

18.00

14.00

8.81

14.00

0.38

0.50

20.75

15.75

10.31

15.75

SF
SLD
ED

179

G-65

ED

www.lovejoy-inc.com

n  Interference bores with no set screws are standard unless
otherwise specified.
n  Inch bore and keyway tolerances conform to AGMA 9002-B04.
n  For metric bore and keyway tolerances, consult Lovejoy
Engineering Section.

SLD

Notes: 	 n  Bore taper is 1-1/4 inch per foot on diameter.
n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1.5
through 5.
n  Puller Holes are standard on sizes 4 through 7.
n  Puller Holes are available for sizes 1.5 through 3.5 at an additional charge.

MC

5.69

4.86

G

6.03

2.88

HP

5.03

4.91

GD

5.31

7.00

H

in
0.13
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.38
0.28
0.25
0.25
0.38
0.38
0.50
0.25
0.38
0.38
0.50
0.38
0.50
0.75
0.56
0.75
0.75
0.50
0.75
0.75

D

4.44

0.16

in
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.75
0.75
0.50
0.50
0.50
0.75
0.75
0.75
0.50
0.75
0.75
0.75
1.00
1.25
0.75
0.75
1.00
1.25
1.25
0.75
1.00
1.25
1.25
1.25
1.25
1.50
1.50
1.50
1.50
1.50
1.50
1.50

T

4.75

0.13

in
1.7485 - 1.7495
1.7485 - 1.7495
1.998 - 1.999
1.998 - 1.999
1.7485 - 1.7495
1.998 - 1.999
1.998 - 1.999
2.498 - 2.499
1.7485 - 1.7495
1.998 - 1.999
1.998 - 1.999
2.498 - 2.499
2.998 - 2.999
3.248 - 3.249
1.998 - 1.999
1.998 - 1.999
2.498 - 2.499
2.998 - 2.999
3.248 - 3.249
3.623 - 3.624
2.498 - 2.499
2.998 - 2.999
3.248 - 3.249
3.623 - 3.624
4.2470 - 4.2485
4.6220 - 4.6235
3.248 - 3.249
6.623 - 3.624
4.2470 - 4.2485
4.6220 - 4.6235
4.9970 - 4.9985
3.623 - 3.624
4.2470 - 4.2485
4.6220 - 4.6235
4.9970 - 4.9985
4.6220 - 4.6235
4.9970 - 4.9985
5.8720 - 5.8735
6.2470 - 6.2485
5.8720 - 5.8735
6.2470 - 6.2485
6.9970 - 6.9985
6.2470 - 6.2485
6.9970 - 6.9985

SP

3.97

in
3.97

UJ

4.19

in
2.19

VSD

2.91

in
3.97

R

7

3.59

in
6.00

VSD

6

2.28

in
0.16

UJ

5.5

3.03

in
0.13

SP

5

2.28

in
1.06
1.06
1.13
1.13
1.13
1.19
1.19
1.31
1.13
1.19
1.19
1.31
1.44
1.56
1.19
1.19
1.31
1.44
1.56
1.75
1.38
1.50
1.63
1.75
1.88
2.00
1.69
1.81
1.94
2.06
1.63
1.81
1.94
2.06
1.63
2.06
1.63
2.06
2.69
2.06
2.69
2.69
2.75
2.75

T

4.5

2.44

in
3.00
3.00
3.50
3.50
3.00
3.50
3.50
4.00
3.00
3.50
3.50
4.00
4.50
4.50
3.50
3.50
4.00
4.50
4.50
5.00
4.00
4.50
4.50
5.00
5.00
5.00
4.50
5.00
5.00
5.50
6.00
5.00
5.00
5.50
6.00
5.50
6.00
6.75
7.25
6.75
7.25
9.25
7.25
9.25

D

4

in
1.84

GD

3.5

in
1.94

HP

3

in
5.91
6.34
6.91
6.91
7.03
7.59
7.59
8.22
7.53
8.09
8.09
8.72
9.34
9.47
8.66
8.66
9.28
9.91
10.03
10.72
9.81
10.44
10.56
11.19
11.31
11.94
11.22
11.84
11.97
12.59
12.66
12.50
12.63
13.25
13.31
13.72
13.78
14.97
16.09
16.22
17.34
19.34
18.69
20.69

G

2.5

W
in
6.00
6.50
7.06
7.06
7.16
7.72
7.72
8.34
7.72
8.28
8.28
8.91
9.53
9.66
8.88
8.88
9.50
10.13
10.25
10.94
10.13
10.75
10.88
11.50
11.63
12.25
11.50
12.12
12.25
12.88
12.94
12.84
12.97
13.59
13.66
14.47
14.53
15.72
16.84
16.22
17.34
19.34
18.69
20.69

MC

2

No
602/802
602/802
603/803
604/804
602/802
603/803
604/804
606/806
602/802
603/803
604/804
606/806
608/808
610/810
603/803
604/804
606/806
608/808
610/810
612/812
606/806
608/808
610/810
612/812
614/814
616/816
610/810
612/812
614/814
616/816
618/818
612/812
614/814
616/816
618/818
616/816
618/818
620
622
620
622
624
622
624

R

Frame

SF

Mill Mtr Hub Kw

AISE
Size
1.5

CJ

FLAMM and FLAMMFR Type Dimensional Data

Gear

FA Type
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW

JW

Performance Data

Features

CJ

CJ

The FA Type coupling consists of two flex hubs, two sleeves and one accessory kit. This coupling
is supplied with exposed bolts as standard. Shrouded bolts are available upon request through
size 5.5.

JIS

JIS

FA Type Alloy Steel Flex-Flex Couplings

■■Molded seals maintain proper lubricant retention during misalignment conditions
■■Patented Vari-Crown® tooth form for long life

SF

SF

■■AISI 4140 Alloy Steel Construction
■■Standard 20° pressure angle
■■Corrosion resistant bolts and nuts for ease of maintenance

MC

MC

■■Heat treated bolts for greater strength
■■Provides parallel, angular misalignment and end float
■■Flex Half coupling interchangeable with industry standards

G

G
ID1 - ID2

HP

HP

FA Type Performance Data
Nominal

Maximum

Max Bore

Rough Stock

Speed

Standard

Bore

D
T

Misalignment

Misalignment

Keyway

Degrees

RPM

RPM

in

mm

lbs

kg

in

mm

1 280

6,000

9,000

1.625

42

0.44

11

9

4

0.056

1.4

1.5

mm

in

22,700

2 560

5,500

8,250

2.125

56

0.69

18

19

9

0.060

1.5

2

39,000

4 410

5,000

7,500

2.75

73

0.94

24

34

15

0.085

2.2

2.5

69,300

7 930

4,400

6,600

3.25

88

1.44

37

54

25

0.105

2.7

118,000

13 300

4,000

6,000

4.000

107

1.44

37

80

36

0.115

2.9

3.5

177,000

20 000

3,500

5,250

4.625

124

1.81

46

130

59

0.130

3.3

1.5°

4

263,400

Per Gear Mesh

3

T

29 760

3,000

4,500

5.375

147

2.44

62

190

86

0.150

3.8

354,000

40 000

2,700

4,050

6.000

167

3.00

76

250

114

0.175

4.4

5

508,600

57 470

2,500

3,750

6.500

176

3.00

76

380

173

0.200

5.1

5.5

670,700

75 790

2,200

3,300

7.500

202

4.00

101

520

236

0.220

5.6

877,100

99 110

2,100

3,150

8.250

225

4.00

101

650

295

0.120

3.0

1,179,300

1 332 600

2,000

3,000

9.500

255

5.00

127

950

431

0.135

3.4

4.5

UJ

6

SP

SP

Nm

Max Angular

11,300

7

VSD

VSD

in-lb

Bal

Parallel

1

D

UJ

Size

Unbal

GD

GD

Torque

Weight

Ordering Information
■■Application: Driver and Driven.
■■Power: Motor horspower or torque requirement.

R

R

■■Type and size of coupling, horizontal, vertical etc.
■■Speed: Motor RPM or Driven RPM.

SLD

■■Shaft sizes.

ED

ED

SLD

■■Distance between shaft ends (BSE).

G-66

180

630-852-0500

Gear

FA Type

Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

FA Type Alloy Steel Couplings

CJ

CJ

SF

SF

MC

MC

G

G

ID1 - ID2

LTB

Max Bore

Rough Stock

Standard

Bore

BSE

FD

D

HD

in

mm

in

mm

in

in

in

in

4.19

1.625

42

0.44

11

1.69

0.13

4.56

3.06

2.31

1.5

4.00

4.75

2.125

56

0.69

18

1.94

0.13

6.00

3.97

3.00

2

5.00

6.00

2.750

73

0.94

24

2.44

0.13

7.00

4.86

4.00

2.5

6.25

7.13

3.250

88

1.44

37

3.03

0.19

8.38

5.84

4.63

3

7.38

8.13

4.000

107

1.44

37

3.59

0.19

9.44

6.84

5.63

3.5

8.63

9.38

4.625

124

1.81

46

4.19

0.25

11.00

7.91

6.50
7.50

T

D

in

3.50

in

147

2.44

62

4.75

0.25

12.50

9.25

6.000

167

3.00

76

5.31

0.31

13.63

10.38

5

12.38

13.00

6.500

176

3.00

76

6.03

0.31

15.31

11.56

9.50

5.5

14.13

14.38

7.500

202

4.00

101

6.91

0.31

16.75

12.72

10.50

6

15.13

17.00

8.250

225

4.00

101

7.41

0.31

18.00

14.00

7

17.75

20.00

9.500

255

5.00

127

8.69

0.38

20.75

15.75

UJ

8.50

11.50
13.00

VSD

VSD

R

R
SLD

SLD

Notes: 	 n  Exposed Bolt Design is standard.
n  Shrouded Bolt Design available upon request for sizes 1 through 5.5.
n  Puller Holes are standard on sizes 4 through 7.
n  Puller Holes are available for sizes 1 through 3.5 at an additional charge.
n  Interference bores with no set screws are standard unless otherwise specified.
n  Inch bore and keyway tolerances conform to AGMA 9002-B04.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.

SP

5.375

11.50

ED

ED

www.lovejoy-inc.com

181

UJ

10.25

10.94

SP

9.75

4.5

4

T

in

1

D

Size

GD

Keyway

GD

AD

HP

OAL

HP

FA Type Dimensional Data

G-67

Gear

RA and RAHS Type
Lovejoy / Sier-Bath Rigid Adjustable Couplings
JW

JW

Performance Data

Features

CJ

CJ

The RA and RAHS couplings are offered in two different styles. Type II coupling
consists of two rigid hubs, adjusting nut and split ring and split ring for motor
bub. Type IV coupling consists of two rigid hubs, adjusting nut, split ring for
motor hub and spacer.

JIS

JIS

RA and RAHS Type Rigid Adjustable Couplings

■■Clearence fit bores allows for easy installation and maintenance for pump
and/or motor

SF

SF

■■Axial positioning of the pump impeller in vertical pump applications

■■Removable spacer for easy maintenance

MC

MC

■■Easily adjustable for vertical clearence
■■AISI 1045 Steel
■■Stainless Steel coupling also available

G

G

GD

Torque

Capacity

in-lb

lbs

Motor & Pump Hubs

Min Bore

Max Bore

in

mm

in

mm

2.7

1,702

4,500

0.44

11

1.125

29

5,042

11,000

0.63

16

1.625

42

2125

17.9

11,282

31,000

0.73

18

2.125

56

2625

33.8

21,302

31,000

0.88

22

2.625

70

2875

44.4

27,983

31,000

0.88

22

2.875

77

3125

57.0

35,924

41,000

1.19

30

3.125

84

3875

109.0

68,697

73,000

1.25

31

3.875

103

SP

SP

RPM

Motor & Pump Hubs

8.0

T

6000

310.0

195,378

160,000

2.38

60

5.000

135

404.0

254,621

300,000

2.88

73

6.000

167

7250

712.0

448,738

300,000

4.00

101

7.250

194

8500

1148.0

723,527

350,000

4.00

101

8.500

225

2164.0

1,363,861

400,000

5.00

127

10.500

276

UJ

UJ

Thrust

1125

5000

10500

Ordering Information
■■Application: Driver and Driven.

VSD

VSD

Nominal

1625

D

D

Size

HP/100

GD

T

HP

HP

RA and RAHS Type Performance Data

■■Power: Motor horspower or torque requirement.
■■Distance between shaft ends (BSE).

R

R

■■Speed: Motor Speed or Driven RPM.
■■Shaft sizes.

SLD

■■Amount of trust on either or both shafts.
■■Submit drawing if available.

ED

ED

SLD

■■Adjusting nut threads.

G-68

182

630-852-0500

Gear

RA and RAHS Type

Dimensional Data
Description

1

Upper Hub - Motor

2

Lower hub - Pump

3

Spacer

4

Adjusting Nut, Threaded

JW
JIS

7

RA and RAHS Accessory Kit

CJ

RA and RAHS Accessory Kit

CJ

Washer, Split

6

JIS

5

SF

SF

RA and RAHS Type Rigid Adjustable Couplings

Item

JW

Lovejoy / Sier-Bath Rigid Adjustable Couplings

MC

MC
HP

HP

G

G

GD

GD

RA and RAHS Type Dimensional Data
D

LTB

LTB1

LS

DC

N

SL

D1

D2

S
Std

D

FD

Type IV

Min

BOLTS

B.C.
Dia

in

in

in

in

in

in

in

in

in

in

in

in

Qty

Size

in

3.00

1.75

2.13

1.11

2.00

0.89

1.25

0.88

1.75

1.25

4.44

1.63

4

1/4 - 28

2.375

1625

6.00

10.31

4.00

2.50

2.38

1.36

2.25

0.89

1.50

0.88

2.50

1.75

4.44

1.75

6

5/16 - 24

3.250

2125

7.13

11.44

5.13

3.13

2.81

1.80

2.69

0.89

1.75

1.00

3.13

2.25

4.44

2.63

6

1/2 - 20

4.250

SP

T

in
9.56

13.69

5.88

3.88

3.06

2.05

2.94

0.89

3.50

1.13

3.88

2.75

4.44

2.63

6

1/2 - 20

14.69

6.38

4.38

3.56

2.55

3.44

0.89

3.50

1.38

4.38

3.00

4.44

2.88

6

1/2 - 20

5.438

3125

11.50

15.81

6.75

4.63

4.13

3.11

4.00

0.89

3.50

1.63

4.63

3.25

4.44

2.88

8

1/2 - 20

5.813

17.06

8.94

5.88

4.50

3.48

4.38

0.89

4.00

1.75

5.88

4.00

4.44

3.13

6

3/4 - 16

NO STD

11.75

7.50

6.25

4.63

6.00

1.38

3.00

2.44

7.50

5.13

NO STD

4.50

8

1 - 14

7.63

9.25

1.63

2.38

4.00

9.00

6.13

NO STD

4.75

10

1 - 14

8.81 10.75

1.94

3.69

4.75

10.75

7.38

NO STD

7.06

14

1 - 14

6000

20.88

NO STD

13.25

9.00

9.50

7250

25.19

NO STD

15.00 10.75

11.06

7.625
10.000

VSD

12.75
15.00

4.938

11.500
13.250

NO STD

17.25 12.50 15.31 13.06 15.00

1.94

3.56

6.63

12.50

8.63

NO STD

7.31

12

1-1/8 - 12

15.000

NO STD

20.50 15.00 18.69 16.44 18.38

1.94

4.19

8.13

15.00 10.63

NO STD

8.31

12

1-1/8 - 12

18.000

SLD

SLD
ED

ED

Notes: 	 n  Clearence fit bores with set screw are standard.
n  RA couplings meet standard tolerances.
n  Inch bore and keyway tolerances conform to AINSI / AGMA 9002-B04.
n  For metric bore and keyway tolerances, consult Lovejoy Engineering Section.
n  RAHS couplings conform to API 610 8th edition tolerances.

R

33.56
40.94

www.lovejoy-inc.com

183

R

7500
10500

VSD

3875

UJ

9.38
10.38

UJ

2625
2875

SP

in
5.25

T

Size
1125

5000

D

STD OAL
Type II

G-69

Gear

F Universal Hub and Puller Holes
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW
JIS

JIS

JW

Dimensional Data

CJ

CJ
MC

MC

SF

SF
F Type Standard and Universal Hub Dimensions

G

G

L1
Size

GD

L3

TW

LTB

LTB1

STD

UNIV HUB

in

in

in

in

in

in

2.75

0.44

0.75

0.50

1.69

4.00

3.13

0.56

0.81

0.56

1.94

1.50

3.63

0.56

1.25

0.63

2.44

4.50

2.5

4.22

0.75

1.53

0.75

3.03

6.50

3

4.44

1.03

1.69

0.88

3.59

7.00

GD

4.63

1.31

1.88

1.00

4.19

7.50

4

4.97

1.47

2.16

1.13

4.75

8.25

4.5

5.19

1.50

2.56

1.25

5.31

9.00

3.5

5

D

D

1.5
2

HP

HP

1

L2

5.5

5.06

1.59

2.94

1.50

6.03

9.50

5.56

1.97

3.19

1.75

6.91

10.50

T

T
Depth

1

None

None

None

1.5

None

None

None

3.38

5/8 - 18

0.50

3.94

3/8 - 16

0.56

4.94

1/2 - 13

0.75

2

VSD

5.56

1/2 - 13

0.75

4

6.44

5/8 - 11

0.94

4.5

3.5

7.38

5/8 - 11

0.94

5

8.00

3/4 - 10

1.13

5.5

9.00

1-8

1.50

9.75

1-8

1.50

7

11.63

1-8

1.50

8

14.00

1-8

1.50

15.25

1-1/4 - 7

1.88

G-70

ED

9

SLD

6

R

R

3

VSD

SLD

Tap Size
UNC

2.5

ED

B.C. Diameter
in

UJ

UJ

Size

SP

SP

Flex Hubs Puller Bolt Holes

184

630-852-0500

Gear

F Flange and Hub Gap Details
Dimensional Data
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

CJ

CJ

Flange Details

Exposed Bolts
Bolts
Length

in
Qty
Size
3.750
6
1/4-28
4.812
8  
3/8-24
5.875
6  
1/2-20
7.125
6  
5/8-18
8.125
8  
5/8-18
9.500
8  
3/4-16
11.000
8  
3/4-16
12.000 10  
3/4-16
13.500
8  
7/8-14
14.500 14  
7/8-14
15.750 14  
7/8-14
18.250 16  
1-14
20.750 16   1-1/8-12
23.250 18   1-1/4-12

in
1-1/2
2
2-1/4
2-3/4
2-3/4
3-1/4
3-1/4
3-1/4
4-1/4
4-1/4
3-1/4
3-1/2
—
—

in
3/4
15/16
15/16
7/8
7/8
1
1
1-1/4
1-3/4
1-3/4
23/32
5/8
—
—

in
1
1-1/4
1-1/4
1-1/4
1-1/4
1-7/16
1-7/16
1-7/16
2-1/4
2-1/4
1-1/4
1-1/4
—
—

in
3.750
4.812
5.812
7.000
8.000
9.281
10.625
11.750
13.188
14.437

Qty
6
8
10
10
12
12
14
14
14
16  

Size
1/4-28
3/8-24
3/8-24
1/2-20
1/2-20
5/8-18
5/8-18
5/8-18
3/8-16
3/4-16

in
3/4
1
1
1-1/8
1-1/8
1-3/8
1-3/8
1-3/8
1-7/8
1-7/8

in
9/32
9/32
9/32
3/8
3/8
7/16
7/16
7/16
5/8
5/8

in
7/16
7/16
7/16
1/2
1/2
5/8
5/8
5/8
1
1

in
0.64
0.81
0.81
1.06
1.06
1.31
1.31
1.31
1.56
1.56

in
0.25
0.25
0.25
0.31
0.31
0.38
0.38
0.38
0.56
0.56

EXPOSED BOLTS ONLY

T

1 Hub Reversed

2 Hubs Reversed

185

LTB
in
1.69
1.94
2.44
3.03
3.59
4.19
4.75
5.31
6.03
6.91
7.41
8.69
11.00
11.50

G
in
0.13
0.13
0.13
0.19
0.19
0.25
0.25
0.31
0.31
0.31
0.31
0.38
0.38
0.50

G1
in
0.44
0.38
0.81
0.97
0.84
0.81
0.94
1.38
1.66
1.53
1.72
1.69
1.13
1.25

G2
in
0.75
0.63
1.50
1.75
1.50
1.38
1.63
2.44
3.00
2.75
3.13
3.00
1.88
2.00

VSD

P1
in
0.41
0.38
0.81
1.03
1.03
1.06
1.31
1.72
2.03
2.38
2.28
2.81
3.56
3.50

R

P
in
0.09
0.13
0.13
0.25
0.38
0.50
0.63
0.66
0.69
1.06
0.88
1.50
2.81
2.75

SLD

CL
in
0.06
0.06
0.06
0.09
0.09
0.09
0.13
0.13
0.19
0.19
0.16
0.19
0.19
0.38

ED

TS
in
2.13
2.31
3.25
4.00
4.44
5.00
5.69
6.69
7.69
8.44
9.13
10.38
12.13
12.75

SLD

www.lovejoy-inc.com

OAL2
in
4.13
4.50
6.38
7.81
8.69
9.75
11.13
13.06
15.06
16.56
17.94
20.38
23.88
25.00

R

OAL1
in
3.81
4.25
5.81
7.03
8.03
9.19
10.44
12.00
13.72
15.34
16.53
19.06
23.13
24.25

VSD

OAL
in
3.50
4.00
5.00
6.25
7.38
8.63
9.75
10.94
12.38
14.13
15.13
17.75
22.38
23.50

ED

Minimum and Maximum Hub Gaps
Size
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
7
8
9

UJ

UJ

Normal Hub Arrangement

SP

SP

T

in
2.812
3.562
4.562
5.437
6.437
7.375
8.750
9.750
10.750
12.125
13.000
14.625
17.750
19.000

D

in
4.56
6.00
7.00
8.38
9.44
11.00
12.50
13.63
15.31
16.75
18.00
20.75
23.75
26.00

GD

in
0.09
0.09
0.09
0.09
0.09
0.09
0.19
0.19
0.19
0.19
0.25
0.31
0.31
0.31

Max
Grip

HP

in
0.56
0.75
0.75
0.88
0.88
1.13
1.13
1.13
1.50
1.50
1.00
1.13
1.31
1.50

Shrouded Bolts
Bolts
Length Min
Body

G

in
1.66
1.88
2.38
2.88
3.31
3.81
4.25
4.81
5.50
6.00
6.69
7.38
8.38
9.00

Max
Grip

L1

MC

Size
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
7
8
9

Min
Body

CBD 1

SF

B.C.
Dia

MC

B.C.
Dia

G

CBD

HP

FD

GD

DC

D

W

SF

LS

G-71

Gear

Continuous Sleeve

JIS

Vertical Floating Shaft Type
The upper coupling is a Standard Vertical Type coupling. The
lower coupling has a hardened crowned button inserted in the
plate of the lower hub and a hardened flat button inserted in
the plate of the upper hub. The entire floating assembly rests
on these two buttons which carry the weight of the floating
assembly thus maintaining the spacing between the two lower
hubs allowing for flexibility. The hubs on the floating shaft are
flexible and the hubs of the driver and driven shafts are rigid.

JIS
CJ
SF

SF

CJ

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings
JW

JW

Overview

MC

MC
HP

HP

G

G

GD

GD

D

D
SP

SP

T

T

UJ

UJ

VSD

VSD
Two different designs of brakedrum couplings are illustrated. One
shows the brakedrum as an intergal part of the sleeve and the
two hybs are standard. The other design utilizes one standard
hub and a standard sleeve with the brakedrum as part of a
special hub.

Two different designs of brake disc couplings are illustrated. One
shows the brake disc as an intergal part of the sleeve and the
two hybs are standard. The other design utilizes one standard
hub and a standard sleeve with the brakedrum as part of a
special hub.

ED

ED

Brake Disc Type

SLD

SLD

R

R
Brakedrum Type

G-72

186

630-852-0500

Gear

Continuous Sleeve
Overview
JW

JW

Lovejoy / Sier-Bath Continuous Sleeve Gear Couplings

JIS

JIS

Sliding Hub Type

SF

CJ
SF

CJ

The sleeve is longer than standard and is designed to allow
for a predetermined amount of axial travel on one shaft. The
short hub is secured to the sleeve by means of a spacer
washer and snap ring which prevents travel. This type is also
manufactured to allow for travel of both hubs in the sleeve.
This coupling is also available with a rigid type short hub.

MC

MC

G

G

GD
D

D

UJ
VSD

VSD

R

R

SLD

SLD

ED

ED

www.lovejoy-inc.com

187

UJ

This coupling is adapted from our Standard Type coupling,
except the standard seals have been replaced with the special
spacer washers. These washers have a snug fit in the sleeve
with sufficient clearance on the hub OD to allow for injection of
a continuous stream of lubricant.

SP

SP

T

T

Continuous Lubricated Type

GD

Used on Jordan machines and refiners, this design is similar
to the Sliding Hub Type coupling except the long hub is split
and secured to the shaft with a bolt. This permits for quick
axial adjustment of the Jordan shafts in the hub.

HP

HP

Jordan Type

G-73

Gear

Flanged Sleeve
Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings
JW
JIS

JIS

JW

Overview

Limited End Float Spacer Type

CJ
SF

SF

MC

MC

G

G

HP

HP

Vertical Floating Shaft Type

GD

The lower coupling has a hardened crowned
button inserted in the plate of the lower hub.
The entire floating assembly rest on the
button. Optional construction of the upper
coupling would be a rigid hub on the floating
shaft with a flex half on the top.

D
T

T

SP

SP

UJ

UJ

VSD

VSD
R
Use of a non-metallic material between flanges and around the
bolts prevents any stray currents from one shaft to the other.

ED

ED

This coupling has the same horsepower, RPM and misalignment
capabilities as the standard couplings of corresponding sizes. A
plate with a hardened crowned button rests on the lower shaft
which supports the weight of the sleeve.

Used on Jordan machines and refiners, this design is similar to the
slide type coupling except the long hub is split and secured to the
shaft with a bolt clamp. This permits quick axial adjustment of the
Jordan shafts i this hub.

Insulated Type

G-74

Vertical Type

Jordan Type

SLD

SLD

D

R

GD

CJ

The addition of plates restricts axial travel to the drive or driven
shaft. The spacer makes it possible to remove the hubs from either
shaft without disturbing the connected units.

188

630-852-0500

Gear

Flanged Sleeve
Overview
JW

JW

Lovejoy / Sier-Bath Flanged Sleeve Gear Couplings

JIS

JIS

CJ

CJ

SF

SF

MC

MC

G

G

Shear pin couplings are primarily used to limit transmitted torque to a
redetermined load. THis in turn disconnectes the driver and driven shafts
if torque exceeds the specified limits. They are especially suited to protect
equipment when jams occur. Components are re-useable after pins shear.
The coupling will retain lubricant for a short period to allow equipment to be
shut down.

Replaceable brakewheel and brake disc piloted on the outside diameter
of a standard sleeve and/or rigid hub. Offers a choice of applying braking
effort to the load or driving motor.

Double Engagement Half Gear Type

Rigid Alloy Steel FARR Type

Both internal and external teeth in a single sleeve. Can be bolted
to a rotating flywheel, shaft or drum to connect driver or driven
machine with a shaft extension. This coupling has the same
features, ratings and misalignment capability as the standard group
of couplings.

Male/Female piloted rigid coupling coupling with keeper plates.
This coupling is used when a rigid connection is required between
the low speed shaft of a gearbox and the head shaft of a conveyor,
bucket elevator, mixer or any overhung or suspended load.

HP

Brakewheel and Brake Disc Type

GD

GD

D

D
SP

SP

T

T

UJ

UJ

SLD

SLD

ED

ED

189

R

R

VSD

VSD

www.lovejoy-inc.com

HP

Engineered Shear Pin Type

G-75

Gear

Standard Flanged Sleeve Maximum Bores Inch / Metric
Standard Flanged Sleeve Maximum Bores - Inches and Millimeters
JW

Flex Hub Maximum Bores - Interference Fit

JIS

JIS

JW

Dimensional Data

SF
MC
G

Width

Depth

Bore

Width

Depth

Bore

Width

Depth

in

in

in

in

in

in

mm

mm

mm
3.3

0.188

1.750

0.375

0.125

42

12

0.250

2.250

0.500

0.188

56

16

4.3

2

2.750

0.625

0.313

2.875

0.750

0.250

73

20

4.9

2.5

3.250

0.750

0.375

3.375

0.875

0.313

85

25

5.4

3

4.000

1.000

0.500

4.250

1.000

0.375

107

28

6.4

3.5

4.625

1.250

0.625

4.875

1.250

0.438

125

32

7.4

4

8.4

5.375

1.250

0.625

5.625

1.500

0.500

145

36

4.5

6.000

1.500

0.750

6.500

1.500

0.500

165

40

9.4

5

6.500

1.500

0.750

7.000

1.750

0.750

180

45

10.4

5.5

7.250

1.750

0.875

7.500

1.750

0.750

200

45

10.4

6

8.000

2.000

1.000

8.250

2.000

0.750

225

50

11.4
12.4

7

9.000

2.000

1.000

9.500

2.500

0.875

255

56

8

11.000

2.500

1.250

11.500

3.000

1.000

310

70

14.4

12.000

3.000

1.500

12.500

3.000

1.000

340

80

15.4

13.750

3.500

1.250

355

80

15.4

9

HP

11
12

GD

GD

Metric Keyway

Bore

0.500

G

15.500

4.000

1.500

410

90

17.4

17.000

4.000

1.500

435

90

17.4

480

100

19.5

13

18.250

5.000

1.750

14

19.500

5.000

1.750
1.750

21.000

5.000

16

22.500

6.000

2.000

18

25.500

6.000

2.000

20

15

D

D

Max

0.375

MC

28.000

7.000

2.500

22

31.000

8.000

2.750

24

34.000

9.000

3.000
3.000

SP

26
28

T

T

1 Rectangular Keyway

2.125

SF

SP

Metric
Max

1.625

10

30

37.000

9.000

40.000

10.000

3.500

42.000

10.000

3.500

Notes: 	 n  Rectangular (reduced) keyways preferred for bores above 6-1/2 inches.
n  Maximum bores may be reduced for clearance fit bore applications.

UJ
VSD

VSD

UJ

1 Square Keyway

1.5

1

HP

CJ

CJ

Size

Inch
Max

R

R

SLD

SLD

ED

ED

G-76

190

630-852-0500

Gear

Rigid Hub Maximum Bores – Interference Fit
Dimensional Data

Depth

JW
1 Rectangular Keyway

Max

Bore

Width

Depth

Bore

Width

Depth
mm

in

Metric Keyway

in

in

in

in

in

mm

mm

1

2.125

0.500

0.250

2.250

0.500

0.188

56

16

1.5

2.813

0.750

0.375

3.062

0.750

0.250

76

22

3.500

0.875

0.438

3.750

0.875

0.313

95

25

4.250

1.000

0.500

4.500

1.000

0.375

114

32

5.4
5.4
7.4

4.875

1.250

0.625

5.250

1.250

0.438

134

36

8.4

5.625

1.500

0.750

5.875

1.500

0.500

150

36

8.4

1.500

0.750

6.500

1.500

0.500

176

45

1.750

0.875

7.625

2.000

0.750

202

50

5

8.375

2.000

1.000

8.750

2.000

0.750

230

50

11.4

5.5

9.250

2.500

1.250

9.500

2.500

0.875

260

56

12.4

G

6.500
7.375

10.4
11.4

10.125

2.500

1.250

10.500

2.500

0.875

285

63

11.250

3.000

1.500

12.000

3.000

1.000

320

70

14.4

12.4
15.4

3.500

1.750

14.000

3.500

1.250

375

80

3.500

1.750

15.500

4.000

1.500

415

90

10

17.000

4.000

1.500

455

100

19.5

11

18.500

5.000

1.750

500

100

19.5

12

20.250

5.000

1.750

13

22.000

5.000

1.750

14

23.500

6.000

2.000

15

24.250

6.000

2.000

16

26.000

6.000

2.000

18

28.000

7.000

2.500

20

31.000

8.000

2.750

22

34.000

8.000

2.750

24

37.000

9.000

3.000

26

40.000

10.000

3.500

28

43.000

11.000

3.750

30

46.000

11.000

3.750

D

GD

17.4

D
SP

SP

T

T

UJ

UJ
VSD

VSD

Notes: 	 n  Rectangular (reduced) keyways preferred for bores above 6-1/2 inches.
n  Maximum bores may be reduced for clearance fit bore applications.

HP

13.500
15.000

R

R

SLD

SLD

ED

ED

www.lovejoy-inc.com

191

GD

8
9

HP

6
7

G

4
4.5

MC

MC

3
3.5

SF

2
2.5

4.3

CJ

Size

CJ

Width

Max

SF

Bore

Metric

JIS

Inch
1 Square Keyway

JIS

Rigid Hub Maximum Bores - Interference Fit
Max

JW

Rigid Hub Maximum Bores – Interference Fit

G-77

Gear

G

JIS
CJ
SF
MC
G

MC
HP

HP

Lovejoy Coupling Grease is dark brown in color and
manufactured with a lithium soap/polymer thickener, which
has superior resistance to oil separation when subjected to
high centrifugal forces normally found in couplings. Bearing
or general purpose greases tend to separate and lose
effectiveness due to high centrifugal forces on the various
ingredients at high rotational speeds. These high centrifugal
forces encountered in couplings separate the base oil from
the thickeners. Heavy thickeners, which have no lubrication
qualities, accumulate in the gear tooth mesh area resulting
in premature coupling failure. Lovejoy Gear Coupling Grease
is designed to highly resistant to centrifugal separation of the
oil and thickener, which allows the lubricant to be used for a
relatively long period of time.

SF

One of the secrets to the success of Lovejoy Gear Coupling
Grease is the variable consistency throughout the working
cycle of the application. The consistency of our gear coupling
grease changes with the operating conditions. Working of the
lubricant under actual service conditions causes the grease
to become semi-fluid, functionally solash lubricating the wear
surfaces of the coupling. As the grease cools, it returns to the
original consistency, thereby preventing leakage.

GD

GD

CJ
D

D

Adequate lubrication is essential for satisfactory gear coupling
operation. Lovejoy Gear Coupling Grease is specifically
designed for gear coupling applications to increase coupling
life while drastically reducing maintenance time. Its high
viscosity base oil and tackifier combine to keep the grease in
place and prevent separation and it is in complete compliance
with NSI/AGMA 9001-B97 lubrication recommendations.

JIS

Lovejoy Gear Coupling Grease is available from stock in 14
oz. cartridges, 1 lb. and 5 lb. cans.

T

T

Why Coupling Grease?
JW

JW

Coupling Grease

SP

Lithium Soap / Polymer, wt%
     @ 40° C, cST

>3200

     @ 100° C, cSt

>50

Penetration. Dmm
     Worked, 60x

350

     Worked, 10,000, % Change

10

■■Resistance to water washing

UJ

■■High load carrying capabilities
■■Extended relubrication frequency

VSD

■■Staying in place under high speeds
■■Resistance to centrifugal separation
■■Reduction in down time & maintenance cost

R
SLD

Lovejoy Gear Coupling Grease has a consistency which
overlaps the NLGI grades 0 and 1. This grease is specially
formulated with a lithium/polymer thickener and fortified with
corrosion, oxidation, extreme pressure, and a effective rust
inhibitor additive package.

10.0

Viscosity

Water Spray-Off, wt%

SP

UJ

Dark Brown, Tacky

Centrifugal Oil Separation, vol%

■■Use at temperatures up to 325° F

VSD

0/1

Appearance

■■Minimizing of coupling wear
■■Corrosion and rust protection

R

NLGI Grade

Dropping Point, ° F

Features

320° (160° C)
None
>3

Rust Protection

Pass

Timken, OK Load, lbs

40+

Four-Bal EP
     Load Wear Index, kgf

68

     Weld Point, kgf

400

Four-Ball Wear, mm
     1 hr, 75° C, 1200 RPM, 40 kgf

0.4

Guide to Usable Temperature
     Min, ° F

Below -20° (-29° C)

     Continuous Service, Max, ° F

250° (121° C)

     Short Exposure, Max, ° F

325° (163° C)

ED

ED

SLD

Typical Properties of Lovejoy Gear Coupling Grease

G-78

192

630-852-0500



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Manifest Reference Document ID  : uuid:896E6DAF83FDDC119CACDE3C7A84F6EC, xmp.did:0180117407206811A287BFB90CA613E2, xmp.did:0180117407206811A287BFB90CA613E2, uuid:896E6DAF83FDDC119CACDE3C7A84F6EC, uuid:06CD5EABC2A4DC11B782B893C53A6C35, uuid:896E6DAF83FDDC119CACDE3C7A84F6EC, xmp.did:0180117407206811A287BFB90CA613E2, uuid:4FE44CC01EA0DC11A547D704B6EEE831, uuid:4FE44CC01EA0DC11A547D704B6EEE831, xmp.did:0180117407206811A287BFB90CA613E2, uuid:896E6DAF83FDDC119CACDE3C7A84F6EC, xmp.did:0180117407206811A287BFB90CA613E2, uuid:896E6DAF83FDDC119CACDE3C7A84F6EC, xmp.did:0180117407206811A287BFB90CA613E2, uuid:241D32C9C3A4DC11B782B893C53A6C35, uuid:9A7F176FC8A4DC11B782B893C53A6C35, uuid:896E6DAF83FDDC119CACDE3C7A84F6EC, xmp.did:0180117407206811A287BFB90CA613E2, uuid:A47F176FC8A4DC11B782B893C53A6C35, uuid:29CF7D7BFAF7DC1188EAFBE95F03E1A8, uuid:896E6DAF83FDDC119CACDE3C7A84F6EC, xmp.did:0180117407206811A287BFB90CA613E2, uuid:E38E007CCBA4DC11A208B93AB4EFDC8F, uuid:896E6DAF83FDDC119CACDE3C7A84F6EC, 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Create Date                     : 2010:09:28 13:28:58-05:00
Modify Date                     : 2010:09:28 13:30:05-05:00
Metadata Date                   : 2010:09:28 13:30:05-05:00
Creator Tool                    : Adobe InDesign CS4 (6.0.5)
Thumbnail Format                : JPEG
Thumbnail Width                 : 256
Thumbnail Height                : 256
Thumbnail Image                 : (Binary data 8662 bytes, use -b option to extract)
Doc Change Count                : 281
Format                          : application/pdf
Producer                        : Adobe PDF Library 9.0
Trapped                         : False
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Page Layout                     : TwoPageRight
Page Count                      : 78
Creator                         : Adobe InDesign CS4 (6.0.5)
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