... Groove Ball Bearings ,Cylindrical Roller Bearings, Self-aligning ball bearings, Tapered Roller Bearings, Thrust Roller Bearings, Spherical Bearings, Needle Roller Bearings, Linear Bearings, Miniature Bearings.... TianRui bearings are generally used ... ~280mm Quality standardISO 9001:2000 standard Precision P0,P6,P5Steel pressed cageBending claw form or rivet form Delivert DateNormally ready goods ...