Bearing steel definition: is used in the manufacture of ball bearing, roller and steel sleeve, etc., can also be used to make precision measuring tools, Die, machine screw and diesel pump precision coupling. 
 Bearing Steel Category: 
 Divided into high-carbon chromium bearing steel, carburizing bearing steel, corrosion resistant stainless steel bearings, high temperature bearing steel four categories. Main steel has 9Cr18; carburizing bearing steel, the main steel has G20CrMo; chromium bearing steel, main steel has GCr15. 
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