General Procedures: Bearings

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

Inspect the bearing for a bent cage.

Fig 1: Inspecting Bearing For A Bent Cage
Inspect the bearings for galling (metal smears on the roller ends).

Fig 2: Inspecting Bearings For Galling (Metal Smears On The Roller Ends)
Inspect the bearings for brinelling (surface indentation in the race).

Fig 3: Inspecting Bearings For Brinelling (Surface Indentation In The Race)
Inspect the bearing for a cracked inner race.

Fig 4: Inspecting Bearing For A Cracked Inner Race

CAUTION: If etching is present, inspect the seals.

Fig 5: Inspecting Bearing And Race For Etching

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

Fig 6: Inspecting Bearing For Heat Discoloration (Dark Blue)
Inspect the bearing for fatigue spalling (metal flaking).

Fig 7: Inspecting Bearing For Fatigue Spalling (Metal Flaking)