... 9001 2.High quality,low price. self-aligning ball bearing 100,1200,1300,2200,2300,seriesself-aligning ball bearing1.self ... ring that has a spherical raceway. This construction allows the bearing to tolerate a small angular misalignment resulting from deflection or ... used in mining machinery, power machinery, heavy machinery and textile machinery etc.Bearing Number as follows: 135, 126, 127, 108, 129, ...