... self-aligning ball bearing self-aligning ball bearing made in China1.self-aligning ball bearing high precision 2.long ... as to compensate concentricity and deflection errors.Applications:Widely used in mining machinery, power machinery, heavy machinery and textile machinery ... etc.Bearing Number as follows:135, 126, 127, 108, 129, 1200, 2200, 1300, 2300, 1201, 2201, ...