Joint bearing is a kind of spherical sliding bearing. Its sliding contact surface is an inner spherical surface and an outer spherical surface, which can rotate and swing at any angle during motion.It is made by surface phosphating, frying, padding, spraying and other special processing methods. Joint bearings have large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, and good lubrication.
Joint bearings can bear a large load. According to its different types and structures, it can bear radial load, axial load or combined load in both radial and axial directions. Since the outer spherical surface of the inner ring is inlaid with composite materials, the bearing can produce self-lubrication during operation. It is generally used for low-speed swinging motion and low-speed rotation, and it can also perform tilting motion within a certain angle range. When the misalignment between the supporting shaft and the shaft housing hole is large, it can still work normally.
