... , TEL: +8613512873247, NoItemDescription1Bearing Bar25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, ... 75x10---100x10mm etcI bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etcUS standard: 1''x3 ... /16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', ... 1 1/2''x1/8'' etc 2Bearing Bar Pitch12.5, 15, 20, 23.85, 25, 30, 30 ...