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Common Preventable Electric Motor Failures: Bearings


electricmotorbearingfailures.jpgThe below video is a 15 minute segment of an hour long presentation given by Todd Hatfield of HECO at the 2017 Reliability, Process, and Maintenance (RPM) Symposium. This presentation discusses common preventable causes of electric motor failures. This section of the presentation discusses bearing related failures as bearings account for about 51% of all electric motor failures.

This presentation discusses bearing failures related to:

  1. Insufficient lubrication
  2. Too much lubrication
  3. Mixing incompatable lubricants
  4. Contamination
  5. Electrical damage or fluting

Besides showing the issues and type of failures, this presentation discusses what you may be able to do to help prevent these failures from ocurring. 


Download What To Look For In An Electric Motor Repair Shop

Todd A. Hatfield

HECO – All Systems Go



About the author:

Todd Hatfield is a Senior Electrical Engineer at HECO. He has over 35 years' experience in generator and electric motor repair and engineering. Todd has a BS in Electrical Engineering, and his areas of expertise are: electrical and mechanical motor redesigns and engineering, root cause of failure analysis, and quality electric motor rebuilding.

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