... GB/T18254, SKF, FAG, NSK standards,and the representative steel grades are GCr15, 100Cr6, SKF3, G20CrNiMo, etc.Main applications ... : The bearing steel is the so-called alloy steel for manu-facturing of each kind of ... carbon and chromium bearing steel which are widely used for combustion engine, electric vehicle, machine tool, tractor, steel rolling equipment, explorer, ...