... quality. Main types: Deep 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 ... 10mm~280mm Quality standardISO 9001:2000 standard Precision P0 ... appliances, low noise and high speed electric motors, automotive components ...