The primary and essential function of bearings is to provide steadfast support to mechanical rotating bodies. They play a crucial role in minimizing friction coefficients during motion, while ensuring unparalleled rotational accuracy. Bearings are classified into two principal categories based on the friction characteristics of their components: rolling bearings and sliding bearings. Although rolling bearings boast standardization and serialization, they tend to have larger radial dimensions, along with increased vibration and noise, and come at a higher cost compared to sliding bearings. Typically, a rolling bearing is composed of four key components: the outer ring, inner ring, rolling elements, and the cage.
These bearings are commonly employed in scenarios involving low-speed, heavy-duty machinery that are challenging to lubricate and maintain. The spherical sliding contact surface of joint bearings makes them ideally suited for swinging, tilting, and rotating motions. Complementing their function, the bearing seat, typically manufactured as an integral matching component, plays a pivotal role in the overall shaft system. Generally, pins are strategically positioned at both ends of the bearing to provide support and secure the bearing, establishing a defined positional relationship with other connecting components. Moreover, bearing seats are usually equipped with efficient sealing devices, significantly reducing the risk of bearing contamination.
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