LYSN Precision Bearing Co., Ltd. is a professional manufacturer of large-size precision bearings with diameter 150mm ~ 3200mm. Our products can reach in precision grade of P5, P4, P2. Main products includes: Angular contact bearings, cylindrical roller bearings, tapered roller bearings, and slewing bearings. Usually, they are used as spindle bearings for machine tools, rolling mill bearings and wind power generator bearings, and so on.