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Spherical plain bearings
![]() Brief introductionSpherical plain bearings have spherical contact surfaces which permit the inner ring to rotate freely in all directions within bearing and application design constraints. This gives them the capability to selfalign, which means, for example, to adjust automatically to misalignment stemming from inaccurate machining, frame distortions from welding, or deformations of pin and frame due to static and dynamic forces. Such misalignment would generate considerable end loading and cause early failure of plain cylindrical sleeve bearings. Thus spherical plain bearings are thought to have their origin as replacement for plain cylindrical sleeve bearings or bushings and are still occasionally called ball bushings. Spherical plain bearings utilize inner & outer rings with spherical sliding surfaces, and can accommodate heavy radial loads & bi-directional axial loads at the same time. Typeical applicationsThey are widely used in the automation, construction, mining, transportation, off-highway equipment, farming & machine tool applications. Advantages1.High precision 2.High durability 3.Low friction |