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Electric motor bearing lubrication frequency and quantity

  • January 2019
  • Number of views: 133
  • Article rating: No rating

By Tom Bishop, P.E.
EASA Senior Technical Support Specialist

Considerations for lubrication frequency and quantity for electric motors (and generators) include the following:

  • Is the lubricant grease or oil?
  • Is the bearing type sleeve, ball or roller?
  • If it is a ball bearing, is the enclosure open, shielded or sealed?

In this article we will address the above by breaking them down into the following categories:

  • Grease lubrication frequency and quantity for ball and roller (rolling element) bearings.
  • Oil lubrication frequency and level (relates to quantity) for ball and roller bearings.
  • Oil lubrication frequency and level (relates to quantity) for sleeve bearings.

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Categories: Bearings, Lubrication
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