The simple structure of the joint bearing rolling bearing, which is mainly composed of a spherical inner ring and an outer ring. The inner spherical joint bearing for swinging movement of the lower velocity (i.e. angular motion), because the sliding surface is spherical shape, can also be used as a tilt movement in a certain angle range (the heart movement, the supporting shaft and the shaft) in the shell hole concentricity is larger, can still work properly.
The joint bearing is widely used in engineering hydraulic cylinder, forging machine, engineering machinery, automation equipment, automobile Shock Absorber, hydraulic machinery and other industries. The joint bearing is Spherical Bearing, the basic type is composed of spherical the sliding contact surface of the spherical surface, an outer ring. According to its structure and types, can bear radial load, axial load, radial or axial load at the same time, joint action. Because the ball shaped sliding contact area of joint bearing, Tilt angle, but also because most of the process of joint bearing special processing method, such as surface phosphating, galvanized, chrome plated or sliding surface lining, padded, spraying, so there is a large load capacity and impact resistance, and has anti corrosion, abrasion resistance, self aligning, or good lubrication characteristics self lubrication without lubrication contamination, even if the installation of dislocation can also work normally. Therefore, joint bearings are widely used in low speed swing, tilt and rotation.
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