1. The rolling bearing of the friction coefficient than sliding bearing small, high transmission efficiency. General sliding bearing of the friction coefficient is 0.08-0.12, and rolling bearing of the friction coefficient is only 0.001-0.005;

2. Rolling bearing already realize standardization and serialization, generalization, and is suitable for mass production and supply, use and maintenance is very convenient;

3. Rolling bearing with bearing steel manufacturing, and after heat treatment, therefore, rolling bearing not only has high mechanical performance and long service life, and can save manufacturing sliding bearing the use of the price is relatively high non-ferrous metal;

4. Rolling bearing internal clearance is small, the parts processing precision is higher, therefore, high precision operation. At the same time, can advance through the method of add load bearing rigidity to increase. This is very important for precision machinery;

5. Some rolling bearing can be both radial load and axial load, therefore, can simplify the structure of bearing support;

6. Because of the rolling bearing of high transmission efficiency, less heat, therefore, can reduce oil consumption, lubrication maintenance is convenient; Lubricated bearing

7. Rolling bearing can be easily applied to any position of space on a shaft.



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