SYMPOSIA PAPER Published: 01 January 2001
STP38298S

Extending Rolling Element Bearing Life in Hydraulic Systems with Water-based Fluids — The Grease Lubrication Option

Source

This paper deals with the influence of rolling bearing lubrication on bearing operation and service life. Hydraulic fluids, especially when they contain water, do not always provide optimum conditions. Coatings or bearing steels specifically developed for such applications cannot completely compensate for the negative effects. It is therefore interesting to consider a separate lubrication system for the bearings, e.g. one based on grease. Then, however, grease service life can be more critical than bearing fatigue or wear. Accordingly, recent experimental and theoretical investigations into the tribological performance characteristics of bearing lubricating greases, especially the effect of their composition on service life, are presented.

Author Information

Poll, GW
Engineering Design and Tribology, University of Hannover, Hannover, Germany
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Details
Developed by Committee: D02
Pages: 500–519
DOI: 10.1520/STP38298S
ISBN-EB: 978-0-8031-5567-1
ISBN-13: 978-0-8031-2883-5