What is the difference between radial and angular ball bearings?

Radial and angular ball bearings are two common types of bearings used in various machines and equipment. Both of them have the function of reducing friction and promoting smooth rotation during use, but there are key differences between them and they are suitable for different applications.

Radial Ball Bearing is a type of rolling bearing that belongs to the category of radial rolling bearings, with a nominal contact angle of 0 °. Its basic structure consists of an inner ring, an outer ring, rolling elements (steel balls), and a cage. The material is usually made of chrome steel that meets the AISI 52100 industrial standard, and the hardness is maintained between 61-65. This kind of bearing achieves rolling friction through rolling elements, which can effectively reduce friction temperature rise. Radial ball bearings are commonly used in applications where the primary load is applied vertically to the shaft, such as in electric motors, pumps, and fans.

Angular Contact Ball Bearings can withstand both radial and axial loads simultaneously and operate at higher speeds. The larger the contact angle of the bearing, the higher the axial load-bearing capacity. The contact angle is the angle between the line connecting the contact point between the ball and the raceway in the radial plane and the perpendicular line of the bearing axis. High precision and high-speed bearings typically have a contact angle of 15 degrees. Under the action of axial force, the contact angle will increase.

Angular Contact Ball Bearingsare mainly used in mechanical equipment, chemical machinery, food packaging machines, and electromechanical equipment and so on.

In summary, the main difference between radial ball bearings and angular ball bearings lies in their ability to handle different types of loads. Although radial ball bearings are designed for radial loads, angular ball bearings can withstand both radial and axial loads simultaneously.

Before purchasing bearings, we need to understand the specific load of the application scenario, and then choose the appropriate bearing type to ensure the best performance and service life of the equipment.For more information,please contact us frank@winstarbearing.com or call us at 86-18063533769

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