Bearing Steel is the fundamental part in mechanical driving process. As the so called alloy steel used for the manufacture of each kind of bearing ring and rolling element, high carbon and chromium bearing steel is widely applied in the manufacturing of pin roller and sleeve on driving shaft of combustion engine, vehicle and mineral machinery etc. The major usage of Bearing Steel is in Ball Bearing, Cone Bearing etc. The grades being manufactured are: SAE-52100 , ASTM A295 , EN31 etc.