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Procedure Steps of bearing lubrication
May 11, 2018


  1. 1. Start at a reasonable low speed, typically 20% of the maximum operating speed. Closely monitor the temperature of the bearings.

  2. 2. Increase speed incrementally when a stable temperature is reached.

  3. 3. Continue the incremental increases in speed as described. If a rapid temperature increase occurs, stop the run-in process. This temperature spike indicates a preload due to thermal expansion. Maximum bearing temperatures should not exceed 70°C (158°F). Temperatures in excess of 70°C will cause excessive bearing pre-loads and possible permanent grease or bearing damage.

  4. 4. Allow the system to cool to room temperature.

  5. 5. Restart the procedure at the last speed prior to the temperature spike.

  6. 6. Continue reading the above cycle until an equilibrium temperature is reached at the maximum operating speed of the application. The ideal equilibrium operating temperature is approximately 35°C to 40°C (95°F to 105°F).