0.5mm-300mm Bearing Balls High Hardness 58-66HRC G10 G16 G20 G40 AISI 52100 Chrome Steel Ball Bearing Balls Shandong Xinpai Steel Ball Manufacturing Technology Co., Ltd. Base Info Description Pre：Low Block Bearing Insert Bearing & Housing Bearing Next：High Precision Chrone Steel Ball 1/2 13.494mm 15.081mm 16.669mm 17.463mm
