Analysis of Angular Contact Ball Bearing Series
Source: China Bearing Network | Date: March 27, 2014
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Angular contact ball bearings are designed to handle both radial and axial loads simultaneously. They are particularly suitable 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 allows the bearing to support higher axial loads.
In high-precision and high-speed bearings, a contact angle of 15 degrees is commonly used. When an external force is applied, the contact angle may increase slightly. Single-row angular contact ball bearings can only support axial loads in one direction. When subjected to radial loads, they generate additional axial forces, which must be properly managed.
These bearings are typically used in pairs, with the outer rings placed opposite each
Other—wide end facing wide end and narrow end facing narrow end. This configuration helps eliminate the additional axial forces and allows for bidirectional axial positioning within the clearance range.
Due to the design of the inner and outer raceways, angular contact ball bearings can accommodate slight misalignment along the axis, making them ideal for combined radial and axial load applications. While single-row bearings can only handle unidirectional axial loads, they are often used in pairs to achieve better performance.
The cages in these bearings are made from materials such as brass or synthetic resins, depending on the application and operating conditions.
Common types of angular contact ball bearings include:
- **7000C** (contact angle = 15°)
- **7000AC** (contact angle = 25°)
- **7000B** (contact angle = 40°)
These bearings feature a locking mechanism on the outer ring, and the inner and outer rings are generally not separable. They are capable of handling both radial and axial loads, as well as unidirectional axial loads. The higher the contact angle, the greater the axial load capacity.
They are widely used in various mechanical systems where precise alignment and high-speed operation are required. Proper installation and maintenance are essential to ensure optimal performance and longevity.
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