Self-aligning ball bearings feature two rows of balls and a common spherical raceway in the outer ring. This unique design allows the bearing to automatically compensate for shaft misalignment (up to ±3°), addressing angular errors caused by mounting inaccuracies, shaft deflection, or housing deformation. They excel in handling moderate radial loads and light axial loads in both directions, while maintaining low friction and quiet operation. Widely used in applications where alignment precision is challenging, they are essential components in conveyors, textile machinery, ventilation systems, and light industrial equipment.

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