Component Tests and General Diagnostics

NOTE: If any of the following conditions exist, replace the bearing.





1. Inspect the bearing for bent cage.






2. Inspect the bearings for galling (metal smears on the roller ends).





3. Inspect the bearing for brinelling (surface indentation in the race).





4. Inspect the bearing for cracked inner race.





5. Inspect the bearing and race for etching.

NOTE: If etching is present, inspect the seals.





6. Inspect the bearing for heat discoloration (dark blue).





7. Inspect the bearing for fatigue spalling (metal flaking).