>> P.402
I89â– TrackCapacity(Tensilestrength1250N/mm2).Whenthehardnessofthematingcamguidesurfacediffersfrom40HRC,thetrackcapacityisobtainedbymultiplyingthevaluebythetrackcapacityfactorshowninTable9.Iflubricationbetweentheouterringandthematingcamguidesurfaceisinsufficient,seizureand/orwearmayoccurdependingontheapplication.Therefore,payattentiontolubricationandsurfaceroughnessofthematingcamguideespeciallyinthecaseofhigh-speedrotationsuchasforcammechanisms.Trackcapacityisdefinedastheloadthatcanbecon-tinuouslyappliedonaRollerFollowerplacedonasteelcamguidesurfacewithoutcausingdeformationandindentationonthecamguidesurfacewhentheouterringoftheRollerFollowermakescontactwiththemat-ingcamguidesurface(plane).ThetrackcapacitiesshowninTables8.1and8.2areapplicablewhenthehardnessofthematingcamguidesurfaceis40HRCTable8.1Trackcapacity(Metricseries)RollerFollowerswithcrownedouterringRollerFollowerswithcylindricalouterringIdentificationnumber(1)SeparableRollerFollowersNon-separable(3)RollerFollowersCylindricalRollerFollowersTrackcapacityIdentificationnumberTrackcapacityIdentificationnumber(2)TrackcapacityIdentificationnumberTrackcapacityRNAST5R(R)NAST6R(R)NAST8R(R)NAST10R(R)NAST12R(R)NAST15R-(R)NAST17R-(R)NAST20R-(R)NAST25R-(R)NAST30R-(R)NAST35R-(R)NAST40R-(R)NAST45R-(R)NAST50R-NART5RNART6RNART8RNART10RNART12RNART15R-NART17R-NART20R-NART25R-NART30R-NART35R-NART40R-NART45R-NART50R------NURT15RNURT15-1RNURT17RNURT17-1RNURT20RNURT20-1RNURT25RNURT25-1RNURT30RNURT30-1RNURT35RNURT35-1RNURT40RNURT40-1RNURT45RNURT45-1RNURT50RNURT50-1R104013301850247027103060391036604530453051905190658065808020802092209220108009990124001080014000RNAST5(R)NAST6(R)NAST8(R)NAST10(R)NAST12(R)NAST15-(R)NAST17-(R)NAST20-(R)NAST25-(R)NAST30-(R)NAST35-(R)NAST40-(R)NAST45-(R)NAST50-231035503980561059906550-10900-12800-14100-22100-25700-26900-28500-30200--NAST6ZZNAST8ZZNAST10ZZNAST12ZZNAST15ZZ-NAST17ZZ-NAST20ZZ-NAST25ZZ-NAST30ZZ-NAST35ZZ-NAST40ZZ-NAST45ZZ-NAST50ZZ--35504490689073508030-11700-13800-15300-22100-25700-30300-32200-34000------NURT15NURT15-1NURT17NURT17-1NURT20NURT20-1NURT25NURT25-1NURT30NURT30-1NURT35NURT35-1NURT40NURT40-1NURT45NURT45-1NURT50NURT50-1-----115001370013600160002000022100221002640031600367003670040800442004970047000553004970060800unit:NNotes(1)Alsoapplicabletothefullcomplementtype,shieldtype,andsealedtype.(3)AlsoapplicabletoC-LubeRollerFollowers.(2)Alsoapplicabletothesealedtype.Table8.2Trackcapacity(Inchseries)Identificationnumber(1)TrackcapacityIdentificationnumber(1)TrackcapacityCRY12RCRY14RCRY16RCRY18RCRY20RCRY22RCRY24RCRY26RCRY28RCRY30RCRY32RCRY36RCRY40RCRY44RCRY48RCRY52RCRY56RCRY64R8531050142016602160245034103820421046105690664089701020011400127001410016800CRY12CRY14CRY16CRY18CRY20CRY22CRY24CRY26CRY28CRY30CRY32CRY36CRY40CRY44CRY48CRY52CRY56CRY64449052407270770010700118001540016700210002250030800347004490049400643006960087000113000unit:NNote(1)Alsoapplicabletothesealedtype.Table9TrackcapacityfactorHardnessHRCTensilestrengthN/mm2TrackcapacityfactorCylindricalouterringCrownedouterring2025303538404244464850525456587608409501080118012501340143515301635176018802015215022900.220.310.450.650.851.001.231.521.852.272.803.464.215.136.260.370.460.580.750.891.001.151.321.511.731.992.292.612.973.39CrownedouterringCylindricalouterring
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