... best price ,good service 2.High precision,long life 3.ISO9000 Quality Product Details:TypeRollerBrand Namefine Inner Diameter 21.43mmOutside ... Diameter50.005mmModel NumberSET 3 ( LM12649 /10) Precision RatingP0,P6Seals Typeopen Number of RowSingle RowPlace of OriginHangzhou, China (Mainland)Bearingtaper roller bearingsMaterialGcr15, ... chilang bearing technology CO.,LTD TAPER ROLLER BEARINGS SET 3