Solid contaminants enter the bearing and dent the rolling surfaces
Contaminants can damage the bearing contact surfaces, increasing noise and vibration levels. In some cases, temperatures may also increase.
- Check the sealing arrangement to confirm the following: The correct seal was used; The seal was installed correctly; There is no seal wear, seal damage or lubricant leakage.
- The relubrication interval may need to be shortened. Supplying smaller quantities of fresh grease more frequently can help purge contaminated grease from the bearing/housing cavity.
- Consider replacing open bearings with sealed bearings.