Follow this link to go to the text only version of
NASA - National Aeronautics and Space Administration
+ Contact NASA
Structures and Materials Division Research and Technology Directorate NASA Glenn Research Center

Tribology and mechanical Components Branch
Tribology and mechanical Components Home
Research Areas
Computer Codes
Partner with Us
Contact Information
Tribology and Mechanical Components Branch - Facilities
Vacuum Bearing Rig
  • Designed to evaluate torque characteristics and life of rolling element bearings
  • Simulates spacecraft conditions
  • Allows long duration tests of multiple bearings
  • Continuous or oscillating (dither) motion
  • Speeds to 4800 rpm
  • Vacuum levels to 10-8 torr
  • Bearings can be heated or cooled (-40 to +50°C)
    (Rig modification required.)
  • Solid or grease lubricants
  • RGA mass spectrometry to evaluate outgassing
  • Computer monitored torque measurement
  • Tests No. 1219 or 7008 size spacecraft bearings in preloaded pairs 1219 bearing size is 12/16" bore, 19/16 OD and 0.250" width 7008 bearings size is 40 mm bore, 68 mm OD and 15 mm width (Other sizes are possible if new fixtures are built.)
View of the Vacuum Bearing Rig
Above: View of the Vacuum Bearing Rig.

+ Return to the branch facilities page...
Further Information
Our facilities can be made available to industry and academia.
+ Learn more
Related Sites
Scale model tested in the 10x10 SWT
GRC Facilities Portal
Learn more about all of the test facilities at NASA Glenn
+ View Site
Research & Technology Directorate
Develops, directs and maintains the core research and technology capabilities at NASA Glenn Research Center
+ View site


+ Freedom of Information Act
+ NASA Web Privacy Policy and Important Notices
NASA - National Aeronautics and Space Administration
NASA Official: Ajay K. Misra
+ Web Curator
+ Contact NASA
Last Updated: April 21, 2009