Damage Condition |
Possible Causes |
Countermeasures |
Dull or cloudy spots appear on surface along with light wear. From such dull spots, tiny cracks are generated downward to a depth of 5-10 μm. Small particles fall off and minor flaking occurs widely. |
- Unsuitable lubricant
- Entry of debris into lubrication
- Rough surface due to poor lubrication
- Surface roughness of mating rolling parts
|
- Select a proper lubricant
- Improve the sealing mechanism
- Improve the surface finish of the rolling mating parts
|
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Peeling 1
Part: Inner ring of a spherical roller bearing
Symptom: Rounded areas of Peeling
Cause: Poor lubrication
Peeling 2
Part: Enlargement of damage “Peeling 1”
Peeling 3
Part: Convex rollers of damage “Peeling 1”
Symptom: Rounded areas of Peeling on the center of the rolling surfaces
Cause: Poor lubrication
Peeling 4
Part: Outer ring of a spherical roller bearing
Green Heightening Boots Side Holywin Army Velvet Boots Womens Zipper Boots Plus Snow
Symptom: Peeling occurs near the shoulder of the raceway over the entire circumference
Cause: Poor lubrication