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
Air Mesh Flyknit Women's Purple SEVENWELL Shoes Max Men's Sport Active Breathable Running Basketball Sneakers
Symptom: Peeling occurs near the shoulder of the raceway over the entire circumference
Cause: Poor lubrication

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Running Men's Max Sneakers Mesh Breathable Air Basketball SEVENWELL Purple Shoes Sport Women's Active Flyknit SIwWtcqd Running Men's Max Sneakers Mesh Breathable Air Basketball SEVENWELL Purple Shoes Sport Women's Active Flyknit SIwWtcqd Running Men's Max Sneakers Mesh Breathable Air Basketball SEVENWELL Purple Shoes Sport Women's Active Flyknit SIwWtcqd Running Men's Max Sneakers Mesh Breathable Air Basketball SEVENWELL Purple Shoes Sport Women's Active Flyknit SIwWtcqd Running Men's Max Sneakers Mesh Breathable Air Basketball SEVENWELL Purple Shoes Sport Women's Active Flyknit SIwWtcqd Running Men's Max Sneakers Mesh Breathable Air Basketball SEVENWELL Purple Shoes Sport Women's Active Flyknit SIwWtcqd

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