3.869g High Hardness HRC60-66 Super Purchasing Customized Chrome Steel Bearing Ball with Drilled Hole 11.906mm 15/32" Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：6.25g Bicycle Tricycle Chrome Steel Bearing Balls for Precision Bearings, Automotive Components 11.509mm 29/64" Next：Stainless Rolling Element Chrome Bearing Steel Balls with Good quality 2.381mm 3.175mm 3.969mm
