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Rod end joint bearing Introduction

Joint bearings are spherical sliding bearings, and the basic type is composed of inner and outer rings with spherical sliding spherical contact surfaces. The joint bearing is mainly composed of an inner ring with an outer spherical surface and an outer ring with an inner spherical surface, which can withstand larger loads. According to its different types and structures, it can bear radial load, axial load or a combined load of both radial and axial. Since the outer spherical surface of the inner ring is inlaid with composite materials, the bearing can generate self-lubrication during operation. It is generally used for low-speed swing motions, and can also be used for tilting motions within a certain range of angles. When the support shaft and the shaft housing hole have a large degree of misalignment, it can still work normally. Self-lubricating joint support is used in water conservancy, professional machinery and other industries. Because the spherical sliding contact area of ​​the spherical plain bearing is large, the inclination angle is large, and also because most of the spherical plain bearing adopts special processing methods, such as surface phosphating, galvanizing, chrome plating or outer sliding surface lining, inserting, spraying, etc. Therefore, it has a large load capacity and impact resistance, and has the characteristics of corrosion resistance, wear resistance, self-aligning, good lubrication or self-lubricating without lubricating dirt pollution, and it can work normally even if the installation is misplaced. Therefore, joint bearings are widely used for low-speed swing motion, tilt motion and rotation motion.
Spherical plain bearings and rod end joint bearings have a variety of designs, and there are different combinations of sliding contact surfaces. Each design and combination has unique properties, making it particularly suitable for certain applications.