Angular Contact Ball Bearings

# Angular Contact Ball Bearings: An Analysis of Advantages, Features, and Manufacturing Processes Angular Contact Ball Bearings (ACBB) are precision bearings with steel balls as rolling elements, where the raceways form a certain angle with the axis. Widely used in high-speed, heavy-load scenarios such as machine tool spindles and automotive gearboxes, they boast distinctive core advantages, structural features, and manufacturing processes.   Their advantages are remarkable. First, they exhibit excellent high-speed performance. The steel balls have a low rolling friction coefficient, and when combined with an optimized cage design, their limiting speed is much higher than that of roller bearings. Some high-precision models can adapt to rotational speeds exceeding 10,000 rpm. Second, they possess strong combined load capacity. Through the design of contact angles (usually 15°, 25°, 40°), they can withstand both radial and unidirectional axial loads—the larger the contact angle, the str…

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