Supporting roller bearing
Have inside the turn, no raised edge support needle roller bearings, the bearing outer ring type STO the roller type, compact structure, outer ring thicker, can withstand the big impact in rotation, wear-resisting performance is good. The bearing by not raised edge, which can install inside the turn, needle and keep frame components, roller type outer ring.
Bearing outer ring surface for YuanZhuMian is its bearing code STO... X.
Have inside the turn, no raised edge support needle roller bearings RSTO type, the bearing because no inner circle, requirements and the shaft neck suitable surface hardness, surface roughness should match with bearing, the bearing other performance and STO type quite.
Bearing outer ring surface for YuanZhuMian is its bearing code RSTO... X.