Luoyang Rockewell Precision Bearing Co.,Ltd is a manufacturer specializing in the design, development and production of high-speed precision bearings for P4 and P2 precision machine tool spindles. The main products are: P4, P2 angular contact ball bearings, P4, P2 screw bearings, P4, P2 engraving machine spindle bearings, P4, P2 angular contact ball bearings with double seals, P4, P2 super high-speed ceramic ball open and sealed angles Contact ball bearings, large, medium, small, miniature P4, P2 high-precision angular contact ball bearings, precision machine tool bearings, ultra-high-speed spindle bearings. The precision etc. are P2 and P4. High, precise, sharp, are Rockewell’s strengths and points. The inner diameter ranges from 8mm to 620mm, and it can independently design and produce bearing products that can replace “SKF”, “INA”, “FAG”, “NSK”, “TIMK EN”, standards, precision, and so on.