Features: \r\n\r\n1) bearing types: 6000-6022 series, 6200-6222 series, 6300-6320 series, 6401-6414 series, 61800-61900 thin section. open, n, zn, z, zz, rs, 2rs can be made. \r\n2) material: made of bearing steel (gcr15). \r\n\r\n--the superior quality of our products has been proved by all of our overseas customers. \r\n--small quantity orders are also welcomed. please send your request to us.