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Lubrication method of bearing; divided into grease lubrication and oil lubrication. In order to make the bearing carry forward the function well; firstly; to select the lubrication method suitable for the application conditions and application policy. If only thinking about lubrication; the lubricity of oil lubrication is dominant. Grease lubrication has the ability to simplify the structure around the bearing; compare the grease lubrication and oil lubrication.
Guidelines for bearing lubrication:
The lubrication policy of the bearing is to reduce the internal conflict and wear of the bearing; to prevent the sticking, the lubrication effect is as follows.
(1), reduce conflict and wear and tear.
In the mutual touch part of the ferrule, roll body and the holder which constitute the bearing; prevent metal touch; reduce conflict and wear.
(2), extending the number of euphemistic life.
The tumbling life of the bearing; in the change; the rolling touch surface lubrication is superior; then the extension. Conversely; the oil viscosity is low; the lubricating oil film thickness is not good;
(3), discharge conflict heat, cooling.
Recirculating oil supply method, etc. can use oil to discharge heat generated by conflict; or heat from outside; cooling. Prevent bearing from overheating; prevent lubricating oil from aging itself.
(4) Others also prevent foreign matter from intruding into the bearing; or prevent rust and corrosion.
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Source: Bearing network time: 2013-11-12