>> P.232
NEEDLEROLLERBEARINGSWITHSEPARABLECAGEWithInnerRingShaftdia.70-90mmShaftdia.mm7075808590IdentificationnumberNAF7010030NAFW7010060NAFNAFNAFNAF7510530801103085115309012030Mass(Ref.)g83516808859359851040BoundarydimensionsmmStandardmountingdimensionsmmd707075808590D100100105110115120C306030303030(1)rsminFw1.51.51.51.51.51.58080859095100db87879297102107DaMax.929297102107112daMin.Max.78788388939878.578.583.588.593.598.5Db8181869196101Notes(1)Minimumallowablevalueofchamferdimensionr(2)Allowablerotationalspeedappliestooillubrication.Forgreaselubrication,amaximumof50%ofthisvalueisallowable.Remarks1.NAFhasnooilhole.NAFWisprovidedwithanoilgrooveandanoilholeontheouterring.2.Nogreaseisprepacked.Performproperlubrication.D93
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