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  • Other Sources  (1)
  • NASA Technical Reports  (1)
  • MACHINE ELEMENTS AND PROCESSES  (1)
  • 1930-1934  (1)
  • 1925-1929
  • 1
    facet.materialart.
    Unknown
    Evaluation of drilled-ball bearings at DN values to three million. 1: Variable oil flow tests (1932)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Two 125-mm-bore solid ball bearings and two similar drilled ball bearings were operated at speeds up to 24,000 rpm (3.0 million DN) with a 13,000 newton (3000 lb) thrust load. The oil flow rate was varied from 0.045 to 0.121 kilograms per second (6 to 16 lb/min). The solid ball bearings operated satisfactorily over the entire range of conditions. The drilled ball bearing experienced cage rub with marginal lubrication at 0.045 kilograms per second (6 lb/min). The drilled ball bearing generally ran cooler than the solid ball bearings.
    Keywords: MACHINE ELEMENTS AND PROCESSES
    Type: NASA-CR-2004 , PWA-4235
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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