LIFELIGN® COUPLINGS

Selection Guide 451-110, April 2004
Table of Contents
Nomenclature ..........................................6
Available Types. .......................................7-9
How to Select. ......................................10-11
Quick Selection Method ...............................12-13
Service Factors ......................................14-15
How to Order .........................................15
CONTINUOUS SLEEVE GEAR COUPLINGS —
Dimensions & Specifications
Type GC02 Double Engagement ...........................16
Type GC05 Single Engagement ............................17
Type GC05 Floating Shaft ................................18
STANDARD FLANGED SLEEVE GEAR COUPLINGS —
Dimensions & Specifications
Type G20 Double Engagement. ............................19
Type G32 Spacer ......................................20
Type G52 Single Engagement .............................21
Type G52 Floating Shaft ...............................22-23
Type GV20 Vertical Double Engagement. .....................24
Type GV52 Vertical Single Engagement. ......................25
Types G62/G66 Brakewheel, Straight Bores & G63 Disc Brake .....26
Types G62 & G66 Brakewheel, Taper Bores ...................27
Type GL20 Slide Double Engagement. .......................28
Type GL52 Slide Single Engagement. ........................29
Type G70 Disconnect, Inching Drives ........................30
Type G72 Disconnect ...................................31
Type GP20/52/82 Insulated ..............................32
Type G82 Rigid . .......................................33
Type GV82 Rigid Thrust . .................................34
Type GR20 Shear Pin ...................................35
Type G Mill Motor & Taper Bores ..........................36
Engineering Data
Recommended Commercial Keys for Bores With One Key ........37
Shaft Diameters & Ratings for NEMA 60 Hertz & 50 Hertz
Metric Motors .........................................37
Maximum Bores. .......................................38
Recommended Bore Tolerances, Falk Steel Coupling Hubs ........38
Flanged Sleeve & Rigid Hub Details .........................39
Puller Bolt Holes .......................................39
Torsional Stiffness. ......................................40
WR 2 Values ...........................................40
Standard Filleted Keyways & Chamfered Keys ..................40
Variable Gap. .........................................41
Misalignment Capacity. ..................................41
LARGE FLANGED SLEEVE GEAR COUPLINGS —
Dimensions & Specifications
Type G20 Double Engagement . ...........................42
Type G52 Single Engagement .............................43
Type G52 Floating Shaft .................................44
Type GV20 Vertical Double Engagement. .....................45
Type GV52 Vertical Single Engagement. ......................46
Type GL20-4 Slide Double Engagement ......................47
Type G70 Disconnect, Inching Drives ........................48
Type G82 Rigid . .......................................49
Type GR20 Shear Pin ....................................50
Copyright 1992, 2004, The Falk Corporation. All Rights Reserved. Litho in U.S.A.
FALK, A-PLUS, LIFELIGN, OMNIBOX, RAM, RENEW, STEELFLEX, and ULTRAMITE
are registered trademarks. Magnum Seal is a trademark of The Falk Corporation
for its rotary shaft sealing system for enclosed gear drives. Taper-Lock is a
registered trademark of a bushing under license. Viton is a registered trademark of
the DuPont Co..
The contents of this selection guide are subject to change without notice or
obligation. Information contained herein should be confirmed before placing orders.
Engineering Data
Recommended Commercial Keys for Bores with
One & Two Keys — Inches ...............................51
Maximum Bores — Inches ................................52
Recommended Bore Tolerances, Falk Steel Coupling Hubs ........52
Flanged Sleeve & Rigid Hub Details . ........................53
Sleeve Jack Bolt Holes ...................................53
Puller Bolt Holes .......................................53
Torsional Stiffness. ......................................53
WR 2 Values ...........................................53
Bore Ranges for Reduced Shank Dia. Hubs — Inches ............54
Puller Bolt Holes for Reduced Shank Dia. Hubs — Inches .........54
Standard Filleted Keyways & Chamfered Keys. .................55
Misalignment Capacity. ..................................56
ALL TYPES
Recommended Hub Bores for Interference & Clearance Fit ........57
Coupling Application Data Sheet ...........................58
Interchange Guide Flanged & Continuous Sleeve ............59-60
Headquarters & Global Sales Offices ........................64
Falk Factory Warranty We’re so confident in the performance
and reliability of our latest generation of Falk heavy-duty products
that we’re backing this comprehensive offering with the best
standard warranty in the business. Our full, 3-year Heavy-Duty
Warranty provides “shaft-to-shaft” protection on all Falk
components – including bearings and seals. It’s an industry first...
and one more powerful reason why Falk is your ultimate
bottom-line drive and coupling value. Lifelign couplings are
warranted for 3 years when lubricated with Falk LTG Long Term
Grease.
Warranty extends for 3 years from date of shipment. Does not apply to Falk
Omnibox, Ultramite, Fluid Couplings, Renew and spare parts. Warranty applies to
Steelflex and Lifelign couplings with the use of Falk Long Term grease.
Basic Information
Install and operate Falk products in conformance with applicable
local and national safety codes and per Falk installation manuals
which are available upon request. Suitable guards for rotating
members may be purchased from Falk as optional accessories.
Consult your local Falk Representative for complete details.
WARNING: Lock out power and remove all external loads from
the system before attempting to service any component in the
system. Locking out the power and removing the load will reduce
the possibility of unexpected motion or reaction in the system.
Falk Long Term Grease Benefits include: increased coupling
life, significantly extended relubrication intervals, reduced
maintenance costs, reduced downtime, superior lubrication, high
load carrying capabilities and it is usable up to 250°F (121°C).
For information on Falk Long Term Grease, request
Form 840201B. Lifelign gear couplings are warranted for 3 years
when lubricated with Falk LTG Long Term Grease.
© The Falk Corporation, 1992, 2004. (451-110) 5