... steel ballschrome bearing steel ball1)material:AISI52100 GCr152)Size:1/8",1/4",3/16",5/16",5/32",3/8 ... : Good wearing, excellent surface quality and high hardness.7)Using:1. General industry for automobile, motorcycle, bicycle manufacturing, special bearings & ... -3 100CrMn6 Chemical compositionSteel NO.Chemical Composition%CSiMnPSCr100Cr60.90-1.050.15-0.350.25-0.45≤0.03≤ ...