A variety of factors can cause bearing damage, some of which are detailed under the following headings:

• Scoring Due to Foreign Matter or "Dirt"
• Damage Caused by Faulty Assembly
• 'Black Scab' or 'Wire Wool' Damage
• Corrosion Damage
• Cavitation Erosion
• Fatigue Cracking
• Pitting Due to Electrical Discharge
• Wiping of Bearing Surfaces
• Due to Inadequate Lubrication
• Fretting Damage Due to Vibration
• Pivot Fatigue
• Damage Due to Overheating