Bearing noise problem

1. From the measured radial clearance paper of the bearing, the maximum value of the three sets of clearance is obtained. When the clearance of the bearing is large, the bearing may be in use and may cause some noise due to the large clearance. Compared with deep groove ball bearings of the same inner diameter, cylindrical roller bearings have larger radial clearance values ​​for the same group. Therefore, it is recommended to use CN group clearance for cylindrical roller bearings used in general.

2. In the process of installation, such bearings often occur in the process of the outer component entering the inner ring raceway surface. Due to insufficient guidance, etc., the inner ring raceway surface or the roller surface may be scratched or scratched. It can also cause noise in the bearing.

3, the bearing in the process of adding grease, it is possible to bring some soft materials into the bearing raceway, these soft materials will scratch the raceway or roller surface, causing bearing noise.

It is recommended to replace the CN group clearance product. The installation process should be clean and properly installed. It is forbidden to hammer the bearing, clean the bearing and add grease. Check the correct use of the pump, etc. The correct measurement of the radial clearance of the bearing requires the use of a radial clearance gauge, simple measurement on the platform and easy measurement with a feeler gauge. Measurement using a lead wire method is not recommended. Bearing.
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