Runstar High Precision 9*30*10mm 639 Single Row Miniaute Deep Groove Ball Bearing Metric Bearings  639zz  639-2RS Zhangzhou San Xin Min Trading Co., Ltd. Base Info Description Pre：Runstar High Precision 9*26*8mm 629 Single Row Miniaute Deep Groove Ball Bearing Metric Bearings  629zz  629-2RS Next：Runstar High Precision Extra Thin Section 10*19*5mm 6800 Series Single Row Miniaute Deep Groove Ball Bearing Metric Bearings 
