>> P.172
FwrrCCrrrrrrDdFwDdNA49TAFINA69(d≦30)NA69Shaftdia.25-32mmMACHINEDTYPENEEDLEROLLERBEARINGSWithInnerRingIdentificationnumberNA49NA69NA48TAFIMass(Ref.)g8212392.516015717596.5145101176196112171106184199225121180165245295270d2525252525252828282828303030303030323232323232GTRI────TRI────TAFI253820TAFI253830──TRI254425──GTRI254425──────GTRI284530─────────────TAFI284220TAFI284230───TAFI304520TAFI304530────GTRI325230TRI325230─────TRI304830──GTRI304830────────TAFI324720TAFI324730───────────────────────────NA6905───NA4905────NA49/28───NA69/28────NA6906─────NA69/32─────────NA4906────NA49/32───Shaftdia.mm25283032Notes(1)Minimumallowablevalueofchamferdimensionr(2)Allowableaxialshiftamountofinnerringtoouterring(3)Allowablerotationalspeedappliestooillubrication.Forgreaselubrication,amaximumof60%ofthisvalueisallowable.Remarks1.Theouterringhasanoilgrooveandanoilhole.2.Nogreaseisprepacked.Performproperlubrication.D33
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