Needle roller clutch 1.Material:GCr15,100Cr6,52100 2.Retainer:nylon cage,steel cage 3.Production standard:GB307, DIN620 Drawn cup needle roller clutch HF HFL RC FC, please read pdf catalog for details.Structure: This bearings has open ends and closed ends 2 types, gererally shaft diameter from 6-60mm, multi-lips seal available.Accuracy: Needle mutual tolorence 2μm, precision grade G2(ISO/GB309), ...
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