... 4.high precision high precision KOYO bearings 1. one side or two sides shields2.closed,open3.high precision4. cylindrical roller, groove ball, angular contact ball, self-aligning roller , thrust ... ball, pillow block, tapered roller5. HS code : 8482101000, 8482102000 , 8482103000 , 8482104000 , 8482109000 Our main products including: 1Low-noise deep groove ball bearing ...