Wheel Bearing Wear - Front Drive Axle (Straight): Smears

Fig 1: Straight Roller Bearing Wear - Smears

Courtesy of GENERAL MOTORS CORP.

Smearing of metal due to slippage. Slippage can be caused by poor fits, lack of lubrication, overheating, overloads or handling damage. Replace the bearing. Clean all the related parts. Check for proper fit and lubrication.