Yusion 4.7625mm-150mm AISI52100 Chrome Steel Balls HRC60-HRC66 LUOYANG ZHISHENG STEEL BALL LIMITED LIABLITY COMPANY Base Info Description Pre：Yusion Chrome Steel Ball for Precision Ball Bearings (3/16"-6") Next：Yusion 3/16"-6" (4.7625mm-150mm) AISI52100 Steel Ball
