Bearing Inspection

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Inspect bearings for the following defects. Possible causes are shown.
1. Cratering - fatigue failure.
2. Spot glazing - incorrect seating.
3. Scratching - dirty.
4. Base exposed - poor lubrication.
5. Both edges worn - journal damaged.
6. One edge worn - journal tapered or bearing not seated.
  
  Fig 1: Identifying Bearing Defects
  Courtesy of FORD MOTOR CO.