Bearings, Machine Tools, CNC Machines manufacturer / supplier in China, offering Stud Type KR16 Cam Followers bolts camshaft track roller/Needle Bearing/Track Roller/Cam Rollers/Roller Bearings, Factory Direct 81100 TN SERIES | Axial Cylindrical Roller and Cage Assembly | Trust Needle Roller Bearings, Needle Roller Bearings K81100 Series Chrome Steel Axial Bearing for machine tool, transmission gearboxes, automotive transmissions, hydraulic and so on.