Bearing (mechanical) - Principles of Operation

Principles of Operation

There are at least six common principles of operation:

  • plain bearing, also known by the specific styles: bushings, journal bearings, sleeve bearings, rifle bearings
  • rolling-element bearings such as ball bearings and roller bearings
  • jewel bearings, in which the load is carried by rolling the axle slightly off-center
  • fluid bearings, in which the load is carried by a gas or liquid
  • magnetic bearings, in which the load is carried by a magnetic field
  • flexure bearings, in which the motion is supported by a load element which bends.

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