Sliding Surface (Roller End / Rib / Flange / Cage)

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Wear

Straight line scratches on surface of raceways or rolling elements caused during mounting or dismounting of bearing.

Scoring

Scoring is surface damage due to accumulated small seizures caused by sliding under improper lubrication or severe operating conditions. Linear damage appears circumferentially on the raceway and roller surfaces.

Cracks

Cracks in the raceway ring and rolling elements. Continued use under this condition leads to larger Cracks or Fractures.

Sliding Surface (Roller End / Rib / Flange / Cage)

Wear

Scoring

Cracks

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