Bearing Check

NOTE: If any of the following conditions exist, install a new bearing.

Inspect the bearing for a bent cage.

Fig 1: View Of Bent Cage Bearing
Courtesy of FORD MOTOR CO.
Inspect the bearing for a broken collar.

Fig 2: View Of Broken Collar Bearing
Courtesy of FORD MOTOR CO.
Inspect the bearings for galling (metal smears on the roller ends).

Fig 3: View Of Galling Bearings
Courtesy of FORD MOTOR CO.
Inspect the bearings for brinelling (surface indentation in the race).

Fig 4: View Of Brinelling Bearings
Courtesy of FORD MOTOR CO.
Inspect the bearing for a cracked inner race.

Fig 5: View Of Cracked Inner Race Bearing
Courtesy of FORD MOTOR CO.

NOTE: If etching is present, inspect the seals.

Fig 6: View Of Bearing And Race

Courtesy of FORD MOTOR CO.

Inspect the bearing and race for etching.
Inspect the bearing for heat discoloration (dark blue).

Fig 7: View Of Heat Discoloration Bearing
Courtesy of FORD MOTOR CO.
Inspect the bearing race for fatigue (matte gray appearance).

Fig 8: View Of Bearing Race With Fatigue
Courtesy of FORD MOTOR CO.
Inspect the bearing for fatigue spalling (metal flaking).

Fig 9: View Of Bearing With Fatigue Spalling
Courtesy of FORD MOTOR CO.
Inspect the bearing for plastic deformation and burrs.

Fig 10: View Of Bearing With Plastic Deformation And Burrs

Courtesy of FORD MOTOR CO.