The angular contact ball bearing mainly bears large unidirectional axial load. The bigger the contact angle is, the bigger the bearing capacity is. The cage materials include steel plate, brass or engineering plastics, and the forming methods include punching or turning, which shall be selected according to different bearing forms or service conditions. Others include combined angular contact ball bearing, double-row angular contact ball bearing and four-point contact ball bearing.
The angular contact ball bearing can bear radial load and axial load at the same time. Capable of operating at high speed. The larger the contact angle, the higher the axial bearing capacity. High-precision and high-speed bearings typically have a 15 degree contact angle. Under axial force, the contact angle increases. Single-row angular contact ball bearing can only bear axial load in one direction, and additional axial force will be caused when bearing radial load. It limits only axial displacement of the shaft or housing in one direction. If it is installed in pairs, the outer rings of a pair of bearings shall be opposite, i.e. the wide end faces the wide end faces and the narrow end faces the narrow end faces. In this way, additional axial forces are avoided and the shaft or housing is confined to the axial play in both directions.
The angular contact ball bearing can bear the radial load and axial load at the same time - combined load (single-row angular contact ball bearing can only bear the axial load in one direction, so it is usually installed in pairs) because the raceway of its inner and outer rings can have relative displacement on the horizontal axis. The materials of the retainer include brass, synthetic resin, etc., which are distinguished according to the bearing form and service conditions.
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