The structure of the joint bearing is simpler than that of the rolling bearing. It is mainly composed of an inner ring with an outer spherical surface and an outer ring with an inner spherical surface.Joint bearing is generally used for low-speed swing motion (that is, angular motion). Since the sliding surface is spherical, it can also be tilted within a certain angle range (that is, self-aligning motion), and the support shaft and the shaft shell hole are not concentric When the degree is large, it can still work normally.
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