>> P.204
MACHINED TYPE NEEDLE ROLLER BEARINGSWith Seal, With Inner RingShaft dia. 120-140mmIdentification numberShaft dia.mm120130140With two sealsWith one sealWith two sealsWith one sealNA 4924UUNA 4924UNA 4926UUNA 4926UNA 4928UUNA 4928U──────Mass (Ref.)Boundary dimensionsmmgdDCB2 9901201654 0801301804 340140190455050465151Notes(1)Minimum allowable value of chamfer dimension r (2)Allowable rotational speed applies to grease lubrication.Remarks1.The outer ring has an oil groove and an oil hole.2. earings are provided with prepacked grease. Bearings with a seal on one side are not provided with prepacked grease. Perform proper lubrication for use.D65
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