... : MS. Spring, TEL: +8613512873247, NoItemDescription1Bearing Bar25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm ... /8'', 1 1/2''x1/8'' etc 2Bearing Bar Pitch12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3 ... , 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm ... etcUS standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc ...