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Characteristics of dynamic pressure bearing of deep groove ball bearing

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The characteristics of deep groove ball bearing are as follows

Hydrodynamic bearing is a kind of ideal working state because the friction only occurs between the molecules of lubricant, so the friction resistance is very small and the sliding surface is not easy to wear. The dynamic pressure bearing has the characteristics of stable operation, simple structure, low noise, large stiffness and anti overload ability. Its load-carrying capacity depends on the speed of the spindle. The change of the speed affects the thickness of the oil film. It can not work normally under the working conditions of low speed, heavy load, variable speed and changing direction. When starting and stopping, due to the change of speed, there will be mixed friction and boundary friction. Therefore, its precision life is limited.


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