>> P.188
D49Notes(1)Maximumpermissiblecornerradiusofthehousing(2)Allowablerotationalspeedappliestooillubrication.Forgreaselubrication,amaximumof60%ofthisvalueisallowable.Remarks1. InbearingswitharollersetborediameterFwof69.850mmorless,theouterringhasanoilgrooveandanoilhole.Inothers,theouterringhasanoilgrooveandtwooilholes.2.Nogreaseisprepacked.Performproperlubrication.Shaftdia.mm(inch)IdentificationnumberMass(Ref.)gStandardmountingdimensionsmmBoundarydimensionsmm(inch)DaMax.rasmax(1)FwDCWithoutInnerRing,InchSeriesMACHINEDTYPENEEDLEROLLERBEARINGS50.800(2)19024050.800(2)50.800(2)65.088(2 9╱16)65.088(2 9╱16)25.400(1)31.750(1 1╱4)57.857.8BR324116BR3241201.51.557.150(21╱4)43551057.150(2 1╱4)57.150(2 1╱4)76.200(3)76.200(3)38.100(1 1╱2)44.450(1 3╱4)6969BR364824BR3648281.51.563.500(21╱2)47555563.500(2 1╱2)63.500(2 1╱2)82.550(3 1╱4)82.550(3 1╱4)38.100(1 1╱2)44.450(1 3╱4)74.374.3BR405224BR4052282269.850(23╱4)51060069.850(2 3╱4)69.850(2 3╱4)88.900(3 1╱2)88.900(3 1╱2)38.100(1 1╱2)44.450(1 3╱4)80.780.7BR445624BR4456282276.200(3)55565076.200(3)76.200(3)95.250(3 3╱4)95.250(3 3╱4)38.100(1 1╱2)44.450(1 3╱4)8787BR486024BR4860282282.550(31╱4)990114082.550(3 1╱4)82.550(3 1╱4)107.950(4 1╱4)107.950(4 1╱4)44.450(1 3╱4)50.800(2)99.799.7BR526828BR5268322288.900(31╱2)122088.900(3 1╱2)114.300(4 1╱2)50.800(2)106.1BR567232295.250(33╱4)129095.250(3 3╱4)120.650(4 3╱4)50.800(2)111.4BR6076322.5101.600(4)1370101.600(4)127.000(5)50.800(2)117.8BR6480322.5Shaftdia.50.800-101.600mm