... ,grade:G10/G16/G20/G24/G28/G40/G60/G100/G200 3,size:2mm-60m Bearing steel ball Production nameG28,G40,G100 ... ,0,+2,…..,+12401/16”~1”4.00-16,…..,-4,0,+4,…..,+16601/16”~1”5.00-25,…..,-5,0,+5,…..,+251001/16 ... ”~1”10.00-40,…..,-10,0,+10,…..,+402001/16 ... ”~1”15.00-60,…..,-15,0,+15,…..,+603001/16 ...