What is the function of A bearing cage

A bearing cage, also known as a bearing retainer or bearing separator, is a component of a ball or roller bearing that holds the balls or rollers in place and separates them from one another. The bearing cage typically sits in the center of the bearing and helps to distribute the load evenly across the balls or rollers, preventing them from rubbing against each other and causing friction.

The bearing cage can be made from various materials, including steel, brass, or plastic, depending on the application requirements. The design and material of the cage can affect the performance and durability of the bearing, and it is essential to choose the right type of cage for the specific application.

Here are some additional functions of a bearing cage:

1.Distribute the load: The bearing cage helps distribute the load evenly across the rolling elements, preventing them from bearing the entire load and reducing the risk of premature failure.

2.Improve lubrication: The cage helps to retain the lubricant within the bearing, preventing it from being displaced by the rolling elements and ensuring adequate lubrication to reduce friction and wear.

3.Reduce noise and vibration: By keeping the rolling elements evenly spaced apart, the cage reduces the risk of them colliding and creating noise and vibration.

4.Improve assembly and disassembly: The cage can be designed to make it easier to assemble and disassemble the bearing, which can be beneficial during maintenance and repair.

In summary, the bearing cage is a crucial component of a ball or roller bearing, helping to maintain proper spacing and alignment of the rolling elements and improve the performance and durability of the bearing.

Luoyang E-find Precision Bearing specializes in the production of high-precision, high-rigidity, heavy-load crossed roller bearings, rotary table bearings, harmonic bearings and customized bearings for 17 years. We have ISO, SGS certification, and professionally replaces IKO THK INA SKF and other foreign imported brands.

Our cross roller bearing and YRT rotary table bearings are widely used in robots, automated production lines, machine tools accessories and other industries.

Our bearings are exported to more than 50 countries, such as the United States, Europe, South Korea, Japan, etc., and enjoy high reputation at home and abroad.

Please feel free to contact us if you have any requirements