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<ul><li><p>Falk Lifelign Gear Couplings Save Up Front Money and IncreaseEquipment Life (English-Inch)</p></li><li><p>Falk Lifelign Gear CouplingsRealize Life-Long Savings</p><p>Initial SavingsFalk Lifelign couplings provide theeconomies budget-minded usersseek, without sacrificing couplingquality or reliability.Superior Bore Capacitiesand Torque RatingsThe unmatched bore capacities andtorque ratings of Falk Lifeligncouplings often allow you to select asmaller sized coupling for a givenapplication.In fact, selections for T frame, 60hertz electric motors result in a dropof one coupling size for half of the28 motor frames available. Theresult: quality, reliability andperformance with average savingsof 15-20% over competitiveofferings.The smaller overall size alsomakes Lifelign couplings wellsuited for limited space appli-cations that still require largebores and high torque loads. Idealfor Existing Applications Half forhalf interchangeability allows youto add capacity and realize theadvantages of Lifelign couplingson your existing appli- cations anddesigns, as well. Whats more,Lifeligns larger hubdiameter features more metal over thekeyway versus other designs,providinggreater reserve strength against hubfractures due to shock or impactloads.</p><p>4-Point seal improves lubrication retention during misalignment;high-temperature seals are available AGMA bolt pattern makes Lifelign easily interchangeable</p><p>with any standard coupling on your existing applicationsAGMA 20 full-depth tooth triple crowning eliminates tiploading, and reduces backlash and radial clearances </p><p>High-strength Grade 8 Bolts provide addedprotection against failure</p><p> Lube holes located near the tooth mesh to ensure anadequate grease reservoir during initial startup</p><p> Massive Flex Hub provides the industrys largest bore capacityfor the most economical selection possible</p><p>Non-turning prevailing torque locknut provides a reliablehold with fewer parts </p><p>2</p></li><li><p>Greater Bore Capacity Higher Torque Ratings Designs to Meet aAGMACouplingSize1</p><p>PopularCompetitiveBrands1.625</p><p>FalkLIFELIGNCouplings</p><p>1.875</p><p>AGMACouplingSize1</p><p>PopularCompetitiveBrands</p><p>7,500</p><p>FalkLIFELIGNCouplings</p><p>10,080</p><p>Diverse Range of NeedsG Standard FlangedSleeveGeneral purposeseries used on bulk11/2 2.250 2.375 11/2 18,900 20,790 handling systems,</p><p>221/2331/24</p><p>2.7503.5004.0004.5005.500</p><p>2.8753.6254.1254.8755.750</p><p>221/2331/24</p><p>31,50056,70094,500</p><p>151,200220,500</p><p>37,80066,150</p><p>107,100163,800270,900</p><p>paper machines,fans, pumps,cranes mixers,sugar mills, crush-ers and many otherhigh-torque41/2 6.000 6.750 41/2 302,400 371,700 applications.</p><p>5 6.625 7.375 5 434,700 500,900 GC Continuous51/2 7.500 8.250 51/2 573,300 655,200 Sleeve67</p><p>8.1259.625</p><p>9.12510.875</p><p>67</p><p>749,7001,008,000</p><p>800,1001,197,000</p><p>Used on high-speed equipmentwith low inertiarequirements.G Large FlangedSleeveFor very hightorque applications,including powerplants, mining,cement, steel andmetal mills, paper,sugar, rubberand other largeindustrial plants.</p><p>G10 Shrouded Bolt</p><p>3</p></li><li><p>Lifetime SavingsLifelign Couplings are speciallydesigned to remain your mosteconomical solution by extendingmaintenance intervals, reducingwear and increasing service life.Advanced Lube SystemFalk Long Term Grease (LTG)eliminates routine lubrication cyclesfor up to 3 years. The location of thelubrication hole in the sleeveensures that an adequate greasereservoir will be maintained close tothe gear mesh. Plus, Lifeligns 4-</p><p>Reliable, convenient fastenersHigh-strength, Grade-8 fastenersprovide added protection againstcoupling failure at the flange joint.To assure the easiest possibleassembly and disassembly, fastenersare zinc-coated to prevent corrosionand feature non-turning locknuts,which allowone-wrenchinstalla-tion withno</p><p>SelectionRexnord supplies a complete range ofcoupling designs including, gear disc,grid, elastomer, composite, and fluidcouplings.ExpertiseRexnords extensive applicationsengineering expertise combines withour comprehensive product offeringto assure that you wind up with thebest choice for the job. and yourpreferred requirements.Packaged System Design</p><p>point seal contact provides betterretention of lubricant, eliminatingthe axial seal movement that candraw lubricant out of the coupling</p><p>washersrequired. Falk-Rexnord Other</p><p>Rexnords unmatched variety of geardrives and power transmission com-ponents allows us to develop com-plete packaged systems for your</p><p>should misalignment occur.For added reliability our standardseals handle a maximum continuousoperating temperature of 250F(121C) and a maximum intermit-tent temperature of 300F (149C).High temperature seals are avail-able, extending maxi-mum temperatures to400F (204C) for con-tinuousduty and500F(260C)for inter-mittent use.Triple crown protectionCrowning at the root, tip and face ofeach tooth helps minimize weardamage due to misalignment. Thistriple-crown effect eliminates tiploading, while also reducing backlashand radial clearances.</p><p>You Get More thanCost Savings withFalk Lifelign CouplingsCapacityRexnord supplies the largest gearcouplings in the world for low-speed,high-torque applications or wherebore capacities of 10 to 52 arerequired.QualityRexnord pours its own castings andcompletely machines the componentsto assure maximum product integritywith minimum lead times.PerformanceRexnord can supply alloy steels forhydraulic hub removal, increasedwear resistance, or to increase torqueratings by an average of 60% for onlyabout a 30% increase in price. Thetorque boost can allowsmaller sizes to be used, thus signif-icantly reducing overall costs.</p><p>power transmission needs. In manycases, pre-packaged systems offerdrop-in installation or replacement,minimizing installation time andcosts.Global Availability and SupportRexnords has 900+ distributor loca-tions and 300+ sales engineers,offering local availability on a globalbasis.3-Year Heavy-Duty WarrantyRexnord rewrote industry expecta-tions by offering the first 3-YearWarranty, standard, on all heavy-dutyproducts.Online SupportRexnord online support includesspares information and pricing, serv-ice data, product literature, quotingtools and engineering artwork.</p><p>4</p></li><li><p>Selection Guide 451-110, October 2006Table of ContentsNomenclature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Available Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9How to Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-11Quick Selection Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-13Service Factors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-15How to Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15CONTINUOUS SLEEVE GEAR COUPLINGS Dimensions &amp; SpecificationsType GC02 Double Engagement . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Type GC05 Single Engagement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Type GC05 Floating Shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18STANDARD FLANGED SLEEVE GEAR COUPLINGS Dimensions &amp; SpecificationsType G20 Double Engagement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Type G32 Spacer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Type G52 Single Engagement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Type G52 Floating Shaft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-23Type GV20 Vertical Double Engagement . . . . . . . . . . . . . . . . . . . . . 24Type GV52 Vertical Single Engagement . . . . . . . . . . . . . . . . . . . . . . 25Types G62/G66 Brakewheel, Straight Bores &amp; G63 Disc Brake . . . . . 26Types G62 &amp; G66 Brakewheel, Taper Bores . . . . . . . . . . . . . . . . . . . 27Type GL20 Slide Double Engagement . . . . . . . . . . . . . . . . . . . . . . . 28Type GL52 Slide Single Engagement . . . . . . . . . . . . . . . . . . . . . . . . 29Type G70 Disconnect, Inching Drives . . . . . . . . . . . . . . . . . . . . . . . . 30Type G72 Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Type GP20/52/82 Insulated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Type G82 Rigid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Type GV82 Rigid Thrust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Type GR20 Shear Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Type G Mill Motor &amp; Taper Bores . . . . . . . . . . . . . . . . . . . . . . . . . . 36Engineering DataRecommended Commercial Keys for Bores With One Key . . . . . . . . 37Shaft Diameters &amp; Ratings for NEMA 60 Hertz &amp; 50 HertzMetric Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Maximum Bores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Recommended Bore Tolerances, Falk Steel Coupling Hubs . . . . . . . . 38Flanged Sleeve &amp; Rigid Hub Details . . . . . . . . . . . . . . . . . . . . . . . . . 39Puller Bolt Holes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39Torsional Stiffness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40WR2 Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Standard Filleted Keyways &amp; Chamfered Keys . . . . . . . . . . . . . . . . . . 40Variable Gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Misalignment Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41LARGE FLANGED SLEEVE GEAR COUPLINGS Dimensions &amp; SpecificationsType G20 Double Engagement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42Type G52 Single Engagement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43Type G52 Floating Shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44Type GV20 Vertical Double Engagement . . . . . . . . . . . . . . . . . . . . . 45Type GV52 Vertical Single Engagement . . . . . . . . . . . . . . . . . . . . . . 46Type GL20-4 Slide Double Engagement . . . . . . . . . . . . . . . . . . . . . . 47Type G70 Disconnect, Inching Drives . . . . . . . . . . . . . . . . . . . . . . . . 48Type G82 Rigid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Type GR20 Shear Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50</p><p>Copyright 1992, 2006, Rexnord Industries, LLC. All Rights Reserved. Litho in U.S.A.FALK, A-PLUS, LIFELIGN, OMNIBOX, RAM, RENEW, STEELFLEX, and ULTRAMITE areregistered trademarks. Magnum Seal is a trademark of The Falk Corporation for itsrotary shaft sealing system for enclosed gear drives. Taper-Lock is a registeredtrademark of a bushing under license. Viton is a registered trademark of the DuPontCo..The contents of this selection guide are subject to change without notice orobligation. Information contained herein should be confirmed before placing orders.</p><p>Engineering DataRecommended Commercial Keys for Bores withOne &amp; Two Keys Inches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51Maximum Bores Inches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52Recommended Bore Tolerances, Falk Steel Coupling Hubs . . . . . . . . 52Flanged Sleeve &amp; Rigid Hub Details . . . . . . . . . . . . . . . . . . . . . . . . 53Sleeve Jack Bolt Holes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Puller Bolt Holes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Torsional Stiffness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53WR2 Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Bore Ranges for Reduced Shank Dia. Hubs Inches . . . . . . . . . . . . 54Puller Bolt Holes for Reduced Shank Dia. Hubs Inches . . . . . . . . . 54Standard Filleted Keyways &amp; Chamfered Keys . . . . . . . . . . . . . . . . . 55Misalignment Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56ALL TYPESRecommended Hub Bores for Interference &amp; Clearance Fit . . . . . . . . 57Coupling Application Data Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . 58Interchange Guide Flanged &amp; Continuous Sleeve . . . . . . . . . . . . 59-60</p><p>Factory Warranty Were so confident in the performance andreliability of our latest generation of Falk gear drives that werebacking this comprehensive offering with the best standardwarranty in the business. Our full, 3-year Heavy-Duty Warrantyprovides shaft-to-shaft protection on all Falk components including bearings and seals. Its an industry first... and one morepowerful reason why Rexnord is your ultimate bottom-line driveand coupling value.</p><p>Warranty extends for 3 years from date of shipment.</p><p>Basic InformationInstall and operate Rexnord products in conformance withapplicable local and national safety codes and per Rexnordinstallation manuals which are available upon request. Suitableguards for rotating members may be purchased from Rexnord asoptional accessories. Consult your local Rexnord Representativefor complete details.WARNING: Lock out power and remove all external loads fromthe system before attempting to service any component in thesystem. Locking out the power and removing the load will reducethe possibility of unexpected motion or reaction in the system.Falk Long Term Grease Benefits include: increased couplinglife, significantly extended re-lubrication intervals, reducedmaintenance costs, reduced downtime, superior lubrication, highload carrying capabilities and it is usable up to 250F (121C).For information on Falk Long Term Grease, requestForm 840201B. Lifelign gear couplings are warranted for 3 yearswhen lubricated with Falk LTG Long Term Grease.</p><p> Rexnord Industries, LLC, 1992, 2006. (451-110) 5</p></li><li><p>Lifelign Gear Coupling NomenclatureType GC (Pages 16 thru 18 &amp; 37 thru 41)</p><p>1010 GC 02</p><p>SIZE PRODUCT TYPECLASSIFICATION</p><p>Gear Continuous Sleeve GC02 = Double EngagementGC05 = Single Engagement/Floating Shaft</p><p>Type G (Pages 19 thru 41)</p><p>1010 G 20</p><p>SIZE PRODUCT TYPE (Shrouded and Exposed Bolts)CLASSIFICATION</p><p>Gear Standard Flanged Sleeve G10/20 = Double Engagement (Shrouded/Exposed)G51/52 = Single Engagement/Floating Shaft (Shrouded/Exposed)GV10/20 = Vertical Double Engagement (Shrouded/Exposed)GV51/52 = Vert. Single Engage./Floating Shaft (Shrouded/Exposed)G62 = Brakewheel Double Engagement (Exposed)G63 = Disc Brake Double Engagement (Exposed)G66 = Brakewheel Single Engagement (Exposed)GL20 = Slide Double Engagement (Exposed)GL52 = Slide Single Engagement/Floating Shaft (Exposed)G70 = Disconnect Inching DrivesG72 = Disconnect (Exposed)G31/32 = Spacer (Shrouded/Exposed)GP20 = Insulated Double Engagement (Exposed)GP52 = Insulated Single Engagement/Floating Shaft (Exposed)GP82 = Insulated Rigid (Exposed)G81/82 = Rigid (Shrouded/Exposed)GV82 = Vertical Rigid (Exposed)GR20 = Shear Pin (Exposed)</p><p>Type G (...</p></li></ul>