Key words: joint bearing

Joint bearing is dominated by a spherical outside within the inner ring and a spherical outer ring, can bear larger load.According to the different types and structure, can bear radial load, axial load or the joint of the radial, axial load.Because the inside is outside the sphere with composite material, so the bearing can produce self-lubrication at work.Commonly used for low speed swinging motion, also can be tilted movement within a certain Angle, when the supporting shaft and shaft shell hole concentricity is bigger, can still work normally.Self lubricating joints and auxiliary promise used in water conservancy, professional machinery and other industries.

Joint bearing is widely used in engineering hydraulic oil cylinder, forging machine tools, engineering machinery, automation equipment, automobile shock absorber, hydraulic machinery and other industries. Introduction of joint bearing and classification of joint bearing is a spherical plain bearing, basic is by a spherical sliding sphere of inner and outer contact surface.According to its structure and type of different, can bear radial load and axial load, or the role of the radial, axial and joint load.Because of joint bearing spherical sliding contact area is large, slope Angle is large, but also because most joint bearing adopted special processing methods, such as surface phosphating, galvanized, chrome plating, or outside sliding surface lining, padded, spraying, etc.Therefore have bigger load capacity and impact resistance, and corrosion resistance, wear resistance, the heart, good lubrication and self-lubricating no lubrication characteristics of sewage pollution also can work normally even install dislocation.As a result, the motion of the joint bearing is widely used in low speed movement, tilted movement and rotation motion.

Imported bearing joints, such as SB, CF, GE, etc., there are a certain number and type of other types of centripetal bearing joints, rod end joint bearing, etc.

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