623 Open 623zz 623 2RS Bearings and 3*10*4mm Size Ball Bearings for Electric Toothbrush Hangzhou Baron Bearing Co., Ltd. Base Info Description Pre：60/28 Open 60/28 Zz 60/28 2RS Bearings and 28*52*12mm Size Ball Bearings for Balance Car Next：6201 Open 6201zz 6201 2RS Bearings and 12*32*10mm Size Ball Bearings for Motorcycle
