What is the difference between high speed bearing and low speed bearing?

May 05, 2019

Bearings are very important in modern industry, and even bearing technology can affect the development of certain fields. Usually we see a lot of things, such as cars, door hinges and many other areas, they use different places in the bearing, so the classification will be different.

Due to the different routes of use, they are divided into low speed bearings and high speed bearings. However, although it is said that their basis for differentiation is not simply a matter of how many turns can be transferred.

Some low-speed bearings can reach nearly tens of thousands of revolutions per minute, but some are called high-speed bearings, and the speed is only a few hundred revolutions per minute.
Their distinction is based on the linear speed of the bearing, and the high linear speed is the high speed bearing.

The place where the bearing is responsible for the rotation is also different. In the low speed, it mainly uses a circular, cylindrical or even conical rotor, and the high speed bearing uses a bearing bush.

From the appearance, it will be found that the surface of the high-speed bearing will look smoother, and there will be no rough or some pits on the surface like low-speed bearings.

The distance between the outer ring and the inner ring is very small, and the precision of the bearing is also relatively high. If the speed is low, the surface thereof will be relatively rough and the precision is also poor.

There are also some differences in the materials used. High-speed in the end, this kind of use is some metallurgy, the steel with higher hardness can withstand relatively large pressure.

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