39.6875mm G40 Chrome Steel Ball (AISI52100/SUJ-2) for Taper Roller Bearing LUOYANG ZHISHENG STEEL BALL LIMITED LIABLITY COMPANY Base Info Description Pre：38.1mm G28 Chrome Steel Ball (AISI52100/SUJ-2) for Taper Roller Bearing Next：AISI 52100 Chrome Steel Ball for Angular Contact Ball Bearing
