>> P.170
CrrFwDdrr NA49 TAFI NA69(d≦30)MACHINED TYPE NEEDLE ROLLER BEARINGSWith Inner RingMass (Ref.)g 39.5 50 35 61 81 90.5 43.5 54 39 67104117 48.5 61 78.5136 99124110138 52 67.5 87152d151515151515171717171717202020202020202022222222────────TRI 153320──GTRI 153320────────TRI 173425──GTRI 173425──────────TRI 203820TRI 203825GTRI 203820GTRI 203825──────────TAFI 152716TAFI 152720────TAFI 172916TAFI 172920────TAFI 203216TAFI 203220──────TAFI 223416TAFI 223420─────────────────────────────NA 6902──15NA 4902──────NA 6903─────NA 6904───────NA 69/22────17NA 4903─────NA 4904───────NA 49/22─2022Shaft dia.mmNA 49NA 69NA 48TAFITRIGTRIShaft dia. 15-22mmIdentification numberNotes(1)Minimum allowable value of chamfer dimension r (2)Allowable axial shift amount of inner ring to outer ring (3)Allowable rotational speed applies to oil lubrication. For grease lubrication, a maximum of 60% of this value is allowable.Remarks1.TAFI series with a bore diameter d of 22 mm or less have no oil hole. In others, the outer ring has an oil groove and an oil hole.2.No grease is prepacked. Perform proper lubrication.D31
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