38.1mm G28 Chrome Steel Ball (AISI52100/SUJ-2) for Taper Roller Bearing LUOYANG ZHISHENG STEEL BALL LIMITED LIABLITY COMPANY Base Info Description Pre：11/32" 8.7312mm AISI S-2 Tool (Rockbit) Steel Balls Next：39.6875mm G40 Chrome Steel Ball (AISI52100/SUJ-2) for Taper Roller Bearing
