| Condition | Cause | Solution |
|---|---|---|
| Surface is roughened and tiny particles adhere. | Rolling elements slip in rolling motion and characteristics of lubricant are too poor to prevent slippage. |
|
-
Photo 1
- Inner ring of cylindrical roller bearing
- Smearing on raceway surface
- The cause is slippage of rollers due to foreign objects trapped within.
- Roller of same bearing as that of the inner ring shown in Photo 1
- Smearing on rolling contact surface
- The cause is slippage of rollers due to foreign objects trapped within.
- Rollers of spherical thrust roller bearings
- Smearing at middle of rolling contact surfaces
- The cause is slippage of rollers due to foreign objects trapped within.
- Inner ring of double row tapered roller bearing (RCT bearing)
- Smearing on raceway surface.
