What is angular contact ball bearing?

An angular contact ball bearing is a type of rolling-element bearing that is designed to handle combined radial and axial (thrust) loads. It is commonly used in applications where both radial and axial forces are present, such as in machine tools, automotive applications, and high-speed rotating machinery.

Angular contact ball bearings have an inner and outer ring with a groove on the raceway surface, and the balls are positioned between the rings. The contact angle between the raceway surfaces and the balls is typically between 15 and 40 degrees, although 30 degrees is the most common.

The design of angular contact ball bearings enables them to accommodate both radial and axial loads by distributing the load between the inner and outer rings through the contact angle. This design allows the bearing to withstand higher axial loads compared to deep groove ball bearings or cylindrical roller bearings.

Angular contact ball bearings are available in various configurations, including single row, double row, and four-point contact designs. Single row bearings can withstand axial loads in one direction, while double row bearings can handle axial loads in both directions. Four-point contact bearings are designed to handle radial, axial, and moment loads simultaneously.

These bearings are typically made of high-quality steel or ceramic materials to ensure durability and high performance. Lubrication is essential for their proper functioning, and they may require periodic maintenance to ensure smooth operation.

Overall, angular contact ball bearings are widely used in various industries due to their ability to handle both radial and axial loads, high-speed capabilities, and excellent accuracy.

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