Spherical ball bearings have two rows of balls, the outer ring has a common concave spherical raceway, and the center of curvature and bearing center, even if the inner ring, steel ball, and cage relative to the outer ring some tilt, but also can rotate, so the bearing is self-aligning, not affected by the shaft relative to the bearing box misalignment. Mainly used to bear radial load, but also can bear a small amount of axial load.
Generally can not bear pure axial load. Especially suitable for those who may produce considerable shaft deflection or misalignment bearing applications. For example, precision instruments, low-noise motor cars, motorcycles, woodworking machinery, textile machinery drive shaft, mining machinery, mechanical and electrical equipment, plastic machinery, office equipment, medical equipment, fitness and sports equipment, and general machinery, etc., is the most widely used in the machinery industry, a class of bearings.
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