>> P.170
D31Shaftdia.15-22mmMACHINEDTYPENEEDLEROLLERBEARINGS43.55439671717171710411717175267.58715222222222WithInnerRingShaftdia.mmIdentificationnumberMass(Ref.)gNA49NA69NA48TAFITRIGTRId──NA4902────NA6902────TAFI152716TAFI152720──────────39.55035611515151515────────TRI153320──GTRI1533208190.5151517──NA4903────NA6903────TAFI172916TAFI172920──────────────────TRI173425──GTRI173425──NA4904────NA6904────TAFI203216TAFI203220──────────48.56178.513620202020────────────────TRI203820TRI203825────GTRI203820GTRI203825991241101382020202020──NA49/22────NA69/22────TAFI223416TAFI223420──────────22Notes(1)Minimumallowablevalueofchamferdimensionr(2)Allowableaxialshiftamountofinnerringtoouterring(3)Allowablerotationalspeedappliestooillubrication.Forgreaselubrication,amaximumof60%ofthisvalueisallowable.Remarks1.TAFIserieswithaborediameterdof22mmorlesshavenooilhole.Inothers,theouterringhasanoilgrooveandanoilhole.2.Nogreaseisprepacked.Performproperlubrication.NA49TAFINA69(d≦30)DFwdCrrrr
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