Angular contact ball bearings are rolling-element bearings designed to handle both radial and axial loads simultaneously. These bearings have a contact angle between the raceway and the balls, which allows them to support axial loads in one direction, while still being able to support radial loads. The angle of contact can be varied to suit different application requirements.

Angular contact ball bearings typically have two rows of balls, arranged at an angle to each other. The inner and outer raceways are designed to accommodate this arrangement, and the balls are held in place by a cage. The cage helps to distribute the load evenly across the balls, reducing friction and wear.

One of the advantages of angular contact ball bearings is their ability to handle high speeds. This is due to the design of the contact angle, which helps to reduce friction and heat buildup. As a result, these bearings are commonly used in applications where high speeds are required, such as in machine tools and automotive applications.

Angular contact ball bearings are also designed to be durable and long-lasting. They are typically made from high-quality materials, such as chrome steel or ceramic, and are designed to withstand heavy loads and extreme temperatures. They are also relatively easy to install and maintain, making them a popular choice for a wide range of applications.

In summary, angular contact ball bearings are versatile and durable types of bearings that are designed to handle both radial and axial loads simultaneously. They are commonly used in high-speed applications and are known for their ability to withstand heavy loads and extreme temperatures.