>> P.184
Mass (Ref.)gd26 40060 20044 60090 30036036038038094 40040098 500420131 000440MACHINED TYPE NEEDLE ROLLER BEARINGSWith Inner RingShaft dia. 360-440mmIdentification number─────────────────────NA 4872─NA 4876───────────NA 49NA 69NA 48TAFITRIGTRIShaft dia.mm360380─NA 4972─NA 4976400NA 4980420NA 4984440NA 4988Notes(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.The outer ring has an oil groove and an oil hole.2.No grease is prepacked. Perform proper lubrication.D45
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