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Structures and Materials Division Research and Technology Directorate NASA Glenn Research Center

Tribology and mechanical Components Branch
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Tribology and Mechanical Components Branch - Facilities
Oil Journal and Thrust Bearing Test Rig
  • Tests fluid film thrust journal bearings
  • Speed to 25,000 rpm, radial loads to 13 kN (3000 lbs), axial loads to 1300 N (300 lbs)
  • Tests bearings to 100 mm (4") dia and 50 mm (2") length
  • Steady-state and dynamic loadings
  • Arbitrary start-stop cycles
  • Various oil supply conditions (normal, starvation, start-stop)
  • Measurement capability:
    • Shaft speed
    • Radial load and axial load
    • Oil flow rate
    • Oil temperature and pressure at bearing inlet and exit
    • Temperature of the bearing sleeve
    • Relative position of the shaft to the bearing and dynamic shaft orbits
View of the Oil Journal and Thurst bearing Test Rig
Above: View of the Oil Journal and Thurst bearing Test Rig.

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Last Updated: April 21, 2009