>> P.156
Mass (Ref.)g197355193255188179320515590187260205460520265475225315275250350285510GTR───────TR───────TR 587745──GTR 587745──TAF 556825TAF 556835─────TR 628138──GTR 628138──────────────────────TAF 657825TAF 657835─TAF 688225TAF 688235────────TAF 607225TAF 607235────────────────────────RNA 4909──RNA 6909─────RNA 49/48RNA 4910──RNA 6910───────────RNA 49/52──RNA 4911──RNA 6911──────RNA 6912──RNA 49/58──RNA 4912─Shaft dia.mm5255586062636568MACHINED TYPE NEEDLE ROLLER BEARINGSWithout Inner RingShaft dia. 52-68mmIdentification numberRNA 49RNA 69RNA 48TAFNotes(1)Minimum allowable value of chamfer dimension r (2)Allowable rotational speed applies to oil lubrication. For grease lubrication, a maximum of 60% of this value is allowable.Remarks1. he outer ring has an oil groove and an oil hole.2.No grease is prepacked. Perform proper lubrication.D17
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