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Spherical bearings are mainly used to bear radial load mainly radial and axial joint load, generally should not alone bear the axial load, such bearings can be installed inner ring (with a whole group of roller and cage) and the outer circle. This kind of bearing does not allow the shaft relative to the housing tilt will produce additional axial force, radial load appointment. The size of the bearing axial clearance bearing can work in it, when the axial clearance is too small, the higher temperature; axial clearance is large, easy to damage bearings. Therefore, installation and operation should pay special attention to adjust bearing
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