When you complete this lesson, you will be able to recognize symptoms indicating failing bearings. In addition, you will be able to troubleshoot bearing failures and use the information you gain to prevent a reoccurrence.
• Identify symptoms of failing bearings
• Discuss bearing failure due to:
– Normal fatigue (spalling)
– Overheating
– Lubricant
– Corrosion
– Brinelling and false brinelling
– Equipment misalignment
– Fretting
– Electrical arcing – Thrust forces
• Identify common questions asked when troubleshooting bearing failures related to the following categories:
– Lubrication
– Rotating race
– Fixed race
– Rolling element cage or retainer
– Rotating elements
