S51210 is a kind of single-direction thrust ball bearing.
Structural characteristics
Composed of seat ring, shaft ring and steel ball: The seat ring and shaft ring are parallel to each other. The steel ball is located between them. During operation, the steel ball rolls in the raceways of the seat ring and shaft ring to realize the transmission of axial load. This structure enables the bearing to specifically bear axial force and has relatively weak bearing capacity for radial load. 26.
Separable design: The seat ring, shaft ring and rolling elements can be separated, which is convenient for installation and disassembly. This makes it easier to replace or overhaul the bearing during equipment maintenance and repair. 2.
Size parameters
Inner diameter: Usually 50mm.
Outer diameter: Generally 90mm.
Thickness: Approximately 23mm.
Performance characteristics
Can bear single-direction axial load: Suitable for mechanical parts that bear a large axial force only in one direction. It can provide stable axial support for the equipment and ensure the normal operation of the equipment when bearing single-direction thrust. 26.
Speed limit: The working speed is relatively low, which is determined by its structural characteristics and force application method. When rotating at high speed, the centrifugal force between the steel ball and the seat ring and shaft ring will increase, which may lead to excessive contact stress between the steel ball and the raceway, thereby affecting the service life and performance of the bearing. Generally, it is suitable for occasions with low speed. 26.
Application fields
Machine tool: Used for axial positioning of the main shaft of the machine tool and bearing the axial load generated by cutting force to ensure the machining accuracy and stability of the machine tool.
Automobile: In parts such as the transmission and drive shaft of the automobile, it can bear the axial force transmitted by the drive shaft to ensure the smoothness of power transmission.
Crane: Used in parts such as the hook and winch of the crane to bear the axial tension or pressure generated when lifting heavy objects to ensure the safe operation of the crane.
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