Runstar High Precision Extra Thin Section 20*27*4mm 6704-2RS Series Single Row Miniaute Deep Groove Ball Bearing Metric Bearings  Zhangzhou San Xin Min Trading Co., Ltd. Base Info Description Pre：Runstar High Precision Extra Thin Section 17*30*7mm 6903-2RS Series Single Row Miniaute Deep Groove Ball Bearing Metric Bearings Next：Runstar High Precision Extra Thin Section 20*27*4mm 6704zz Series Single Row Miniaute Deep Groove Ball Bearing Metric Bearings 
