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Bearings are mechanical components used to reduce friction and support rotational motion, widely used in various mechanical equipment, including automobiles, airplanes, motors, electrical appliances, power tools, and industrial production lines. According to different classification methods, bearings can be divided into two categories: rolling bearings and sliding bearings.
Bearing type
Ball bearing: A bearing with spherical rolling elements, which has the advantages of simple structure, easy installation, and low friction resistance, and is widely used in various machinery and applications.
Roller bearing: A bearing with rolling elements made of rollers, suitable for high load and medium speed applications.
Thrust ball bearings: mainly used to withstand axial loads, commonly used in equipment such as rolling mills.
Conical roller bearings: suitable for high-speed and high load applications, such as automotive and aircraft engines.
Needle roller bearing: composed of multiple slender needle rollers, suitable for applications with limited space and high load-bearing capacity requirements.
Angular contact ball bearing: There is a contact angle between the ring and the ball, and the larger the contact angle, the greater the axial load capacity. The smaller the contact angle, the more favorable it is for high-speed rotation.
Materials and Manufacturing Processes
The materials of bearings usually include steel, alloy steel, ceramics, etc., which can provide different strengths, hardness, and corrosion resistance. In terms of manufacturing technology, the production of bearings involves multiple steps such as precision machining, heat treatment, and surface treatment to ensure their high performance and long lifespan.
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