Definition and application of rod bearing

Rod bearing has lubricating type and self-lubricating type. Rod bearing is a special structure of sliding bearing. Its structure is simpler than that of rolling bearings. It is mainly composed of an outer ring with an inner spherical surface, which can bear a large load. According to the inner ring with an outer spherical surface and its different types and structures, it can withstand radial loads. , axial load or combined radial and axial loads. It is generally used for low-speed swing motion (ie, angular motion, and can also be used for tilting motion (ie, centering motion) within a certain angle range, because the sliding surface is spherical motion), and the bearing shaft and the shaft shell hole are not concentric. When larger, it can still work normally.

Rod bearing is widely used in engineering hydraulic cylinders, forging machine tools, engineering machinery, automation equipment, automotive shock absorbers, water conservancy machinery and other industries. Brief introduction and classification of spherical plain bearings Rod bearings are spherical sliding bearings, the basic type is a spherical sliding spherical contact surface of the inner and outer rings. Depending on its structure and type, it can bear radial load, axial load, or combined radial and axial loads at the same time. Because the spherical sliding contact area of ​​the rod bearing is large and the inclination angle is large, and because most of the spherical plain bearings have adopted special processing methods, such as surface phosphating, galvanizing, chrome plating or outer sliding surface lining, padding, spraying, etc. Therefore, it has a large load capacity and impact resistance, and has the characteristics of corrosion resistance, wear resistance, self-alignment, good lubrication or self-lubricating without lubrication and dirt pollution, and can work normally even if the installation is misplaced. Therefore, rod bearings are widely used for low-speed oscillating motion, tilting motion and rotational motion.

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