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Webinar Recordings

Video

Measuring a Bearing Journal

  • March 2023
  • Number of views: 4811
  • Article rating:
Recording duration: 5 minutes

This video explains how to measure the diameter of a bearing journal accurately to within five hundred-thousandths of an inch or one-thousandth of a millimeter. This critical step will determine if the shaft needs any repairs for proper bearing fitment.

Topics covered include:

  • Tools and supplies needed
  • How to validate micrometer accuracy
  • Minimum number of measurement locations
  • How to measure a bearing journal


More links

ANSI/EASA AR100

More information on this topic can be found in ANSI/EASA AR100
  • Section 2: Mechanical repair

EASA Technical Manual

More information on this topic can be found in EASA's Technical Manual
  • Section 8: Bearings
  • Section 10: Mechanical

Related Reference and Training Materials

Mechanical Repair Fundamentals of Electric Motors
  • Section 5: Bearings
  • Section 6: Bearing Housing, Shaft Openings, Seals & Fits
  • Section 7: Shafts

Tags: Bearing journals
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