Design bearings that don't seize

Document Type

Article

Publication Date

1-8-2004

Abstract

The design of hydrodynamic bearings that can prevent thermally induced seizure (TIS) when oil runs dry is discussed. Bearings starved of lubricant generate excessive heat. It was found that the doubling of radial clearance in the design extends seizure time to about 22 sec. Increasing clearance may avoid seizure together because of more room for expansion and reduced thermal load with a smaller contact area between the shaft and bearing bore.

Publication Source (Journal or Book title)

Machine Design

First Page

82

Last Page

83

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