What is the reason why the bearing is hot during work?

Source: China Bearing Network Time: 2014-08-05

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The bearing burns the following problems during work; for reference:
1. The pre-tightening force is too large; the clearance becomes variable.
2, smooth oil or grease selection is unreasonable; smooth system configuration can be reasonable; heat is not good,
3. What is the temperature reached? Can it be within the scope of the agreement?
4. Can the bearing selection be correct; can it exceed the bearing drawing function?
5. Can the bearing accuracy meet the requirements and whether it can be damaged?
6, the use of the environment on the bearing; whether the particulate matter such as dust can enter the bearing,
7. Whether the pre-tightening force of the bearing can be uniform when the device is installed.

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