Oil lubrication

Oil is generally used to lubricate rolling bearings when:
  • high speeds or operating temperatures preclude the use of grease
  • excessive heat has to be removed from the bearing position
  • adjacent components (gears etc.) are lubricated with oil
To extend bearing service life, all methods of bearing lubrication that use clean oil are acceptable. These include:
  • the circulating oil lubrication method
  • the oil jet method
  • the oil-air method
When using the circulating oil or oil-air method, adequately dimensioned ducts should be provided so that oil flowing from the bearing can leave the arrangement.
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