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Ceramic ball bearings

Ceramic ball bearings

Rolling bearings consist of rings, rolling elements and cage, lubrication grease, seals. When rolling element is with ceramic material, this rolling bearing is defined as the ceramic ball bearings.
The advantages of ceramic ball bearings as following:
 1. The resistance of high temperature
It has a low coefficient of thermal expansion. The temperature normal bearings withstanding is around 160 degrees, but ceramic ball that can reach 220 degrees.
2. High speed
The ceramic ball has self-lubricating properties and small friction coefficient, so ceramic ball bearings have a high speed.
3. Long service life
Ceramic ball can work without any fat, which is to say even if oil kills, bearings can also function. The service life of ceramic ball bearing is more 2-3 times than normal bearings.
4. Insulation
The most important one is that ceramic ball is an insulator, which allows the bearings could be used in any environment.

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