The first is to identify and check the sound of the rolling of the imported bearings. We can use the sounder to check the size and sound quality of the rolling bearings in the running.
Secondly, the vibration of the imported bearing in the work is identified and inspected. The vibration can be measured by using a special imported bearing vibration measuring device (frequency analyzer, etc.), and the specific situation of the abnormality cannot be inferred by the frequency.
Finally, it is checked according to the temperature of the imported bearing. The temperature of the imported bearing is generally estimated based on the temperature of the outdoor surface of the imported bearing. If the oil hole can directly measure the temperature of the bearing outer ring, it is more suitable.
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