Electric Motor Repairer how-to

How to Replace Motor Bearings

Bearings wear out first.

Updated By the Career Education Institute Curriculum Team
Quick answer

Bearings wear out first. In short: mark; remove; pull, then complete the remaining steps below.

Step by step

  1. Mark end bells.

  2. Remove end bells.

  3. Pull old bearings.

  4. Clean the shaft.

  5. Heat and install new bearings.

  6. Reassemble and spin test.

Safety reminders for electric motor repairers

  • Lock out power
  • Use lifting equipment
  • Ventilate varnish areas
  • Wear eye protection

Stator · Rotor · Armature · Winding · Megger · Surge test: see the full electric motor repairer glossary.

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