>> P.202
IdentificationnumberMass(Ref.)BoundarydimensionsmmWithtwosealsWithonesealWithtwosealsWithonesealrrCBFwDdrrNA49…UUWithSeal,WithInnerRingShaftdia.45-110mmMACHINEDTYPENEEDLEROLLERBEARINGSg290520295530415730445785475845770140081514808601570130023601360248014202600d45455050555560606565707075758080858590909595D6868727280808585909010010010510511011012012012512513013019801001402150110150C224022402545254525453054305430543563356335634040B234123412646264626463155315531553664366436644141─NA6909U─NA6910U─NA6911U─NA6912U─NA6913U─NA6914U─NA6915U─NA6916U─NA6917U─NA6918U─NA6919U───NA6909UU─NA6910UU─NA6911UU─NA6912UU─NA6913UU─NA6914UU─NA6915UU─NA6916UU─NA6917UU─NA6918UU─NA6919UU──NA4909U─NA4910U─NA4911U─NA4912U─NA4913U─NA4914U─NA4915U─NA4916U─NA4917U─NA4918U─NA4919U─NA4920UNA4922UShaftdia.mm4550556065707580859095NA4909UU─NA4910UU─NA4911UU─NA4912UU─NA4913UU─NA4914UU─NA4915UU─NA4916UU─NA4917UU─NA4918UU─NA4919UU─100110NA4920UUNA4922UUNotes(1)Minimumallowablevalueofchamferdimensionr(2)Allowablerotationalspeedappliestogreaselubrication.Remarks1.Theouterringhasanoilgrooveandanoilhole.2. Bearingsareprovidedwithprepackedgrease.Bearingswithasealononesidearenotprovidedwithprepackedgrease.Performproperlubricationforuse.D63
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