Analysis of Angular Contact Ball Bearing Series

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Angular contact ball bearings are designed to handle both radial and axial loads, making them ideal for high-speed applications. The contact angle plays a crucial role in determining the bearing's ability to withstand axial forces. A larger contact angle increases the bearing's capacity to manage axial loads. High-precision and high-speed bearings typically use a contact angle of 15 degrees. When subjected to radial forces, angular contact ball bearings generate an additional axial force. This means that single-row angular contact ball bearings can only support axial loads in one direction. To counteract this, they are often paired in a back-to-back or face-to-face configuration. When paired, the outer rings are placed opposite each Other—wide side facing wide side, and narrow side facing narrow side. This setup helps eliminate the additional axial force and allows for bidirectional axial constraint within the clearance range. These bearings allow for some axial displacement due to the design of the inner and outer raceways. As a result, they can accommodate combined radial and axial loads. However, single-row bearings are limited to unidirectional axial load support, which is why they are commonly used in pairs. The cages in these bearings are usually made from materials such as brass or synthetic resin, chosen based on the application and operating conditions. There are several types of angular contact ball bearings, including: - **7000C (contact angle = 15°)** - **7000AC (contact angle = 25°)** - **7000B (contact angle = 40°)** These bearings feature a lock on the outer ring, meaning the inner and outer rings are generally not separable. They can handle combined radial and axial loads, as well as unidirectional axial loads. The greater the contact angle, the higher the axial load capacity. In addition to their mechanical properties, angular contact ball bearings are widely used in various industries, from automotive to aerospace, due to their reliability and performance under demanding conditions.

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