>> P.204
Mass(Ref.)BoundarydimensionsmmdDg299012016540801301804340140190C455050B465151WithtwosealsWithonesealWithtwosealsWithoneseal──────NA4924UUNA4926UUNA4928UUNA4924UNA4926UNA4928UShaftdia.mm120130140Shaftdia.120-140mmIdentificationnumberMACHINEDTYPENEEDLEROLLERBEARINGSWithSeal,WithInnerRingNotes(1)Minimumallowablevalueofchamferdimensionr(2)Allowablerotationalspeedappliestogreaselubrication.Remarks1.Theouterringhasanoilgrooveandanoilhole.2. Bearingsareprovidedwithprepackedgrease.Bearingswithasealononesidearenotprovidedwithprepackedgrease.Performproperlubricationforuse.D65
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