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    Experience with duplex bearings in narrow angle oscillating applications (1988)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: Duplex ball bearings are matched pairs on which the abutting faces of the rings have been accurately ground so that when the rings are clamped together, a controlled amount of interference (preload) exists across the balls. These bearings are vulnerable to radial temperature gradients, blocking in oscillation and increased sensitivity to contamination. These conditions decrease the service life of these bearings. It was decided that an accelerated thermal vacuum life test should be conducted. The test apparatus and results are described and the rationale is presented for reducing a multiyear life test on oil lubricated bearings to less than a year.
    Keywords: MECHANICAL ENGINEERING
    Type: NASA. Langley Research Center, The 22nd Aerospace Mechanisms Symposium; p 211-226
    Format: application/pdf
    Location Call Number Expected Availability
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