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Features of rolling bearings

wallpapers Resource 2020-05-18

Features of rolling bearings

1. The friction coefficient of rolling bearing is smaller than that of sliding bearing and the transmission efficiency is higher. In general, the friction coefficient of sliding bearings is 0.08-0.12, while that of rolling bearings is only 0.001-0.005.
 
2. Rolling bearings have been standardized, serialized and generalized, suitable for mass production and supply, and are very convenient for use and maintenance.
 
3. Rolling bearings are made of bearing steel and have undergone heat treatment. Therefore, rolling bearings not only have high mechanical properties and long service life, but also can save the relatively expensive non-ferrous metals used in the manufacture of sliding bearings.
 
4. The internal clearance of rolling bearing is small, the machining precision of each part is high, therefore, the operation precision is high. At the same time, the rigidity of the bearing can be increased by preloading. This is very important for precision machinery;
 
5. Some rolling bearings can bear both radial and axial loads, so the structure of bearing bearings can be simplified.
 
6. Because the rolling bearing transmission efficiency is high, heat less, therefore, can reduce the consumption of lubricating oil, lubrication maintenance is relatively easy;
 
7. Rolling bearings can be conveniently applied to uranium in any direction in space.


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