1.3/16 bearing balls used for bearings 2.Hardness:HRC58-61 3.High precision,ABEC-1,P0 3/16 inch ,4.763mm ball bearing steel balls,used for bearings ABEC-1,P0 high precision ,good quality ,fast delivery timechrome bearing steel ball1)material:AISI52100 GCr152)Size:1/8",1/4",3/16",5/16",5/32",3/8"3)Grade:G10-G10004)Hardness: HRC60-625) Producing standard:GB308-20026)Feature: Good wearing, excellent ...