For sealed bearings, the proper grease is filled at the time of production; in the case of open bearings, a sealing device is also provided in the main machine to prevent leakage of grease.
This has a problem of how much grease is injected into the bearing.
If the amount of grease is too small, it may cause fat or dry friction and affect the life. Excessive grease injection will cause the bearing temperature to rise. A large amount of grease leaks both pollutes the environment and wastes. It can be seen that the amount of grease injected into the bearing is as small as possible while ensuring sufficient lubrication of the bearing.
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