Spherical plain bearings can support large load. According to the different types and structures, the spherical plain bearings can support radial load and axial load or the joint load of radial and axial. Due to the sphere with composite materials, the spherical plain bearings can produce self-lubrication in work.
Spherical plain bearings are commonly used for low speed of rotating motion and swing motion, and also can be used in tilting motion in certain Angle. When the axis and axle shell hole have different concentricity, the spherical plain bearings still can work normally. Self-lubrication spherical plain bearings can be used in auxiliary machine, hydraulic industry, etc.
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