Extending rolling element bearing life in hydraulic systems with water-based fluids: The grease lubrication option

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Details

Original languageEnglish
Pages (from-to)500-519
Number of pages20
JournalASTM Special Technical Publication
Issue number1339
Publication statusPublished - 1999
EventHydraulic Failure Analysis - Reno, NV, United States
Duration: 5 Dec 19996 Dec 1999

Abstract

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.

Keywords

    Bearing lubrication, Elastohydrodynamic fluid films, Grease life, Grease lubrication, Rolling element bearing life, Seals, Water-based hydraulic fluids

ASJC Scopus subject areas

Cite this

Extending rolling element bearing life in hydraulic systems with water-based fluids: The grease lubrication option. / Poll, Gerhard W.
In: ASTM Special Technical Publication, No. 1339, 1999, p. 500-519.

Research output: Contribution to journalConference articleResearchpeer review

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abstract = "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.",
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T1 - Extending rolling element bearing life in hydraulic systems with water-based fluids

T2 - Hydraulic Failure Analysis

AU - Poll, Gerhard W.

PY - 1999

Y1 - 1999

N2 - 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.

AB - 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.

KW - Bearing lubrication

KW - Elastohydrodynamic fluid films

KW - Grease life

KW - Grease lubrication

KW - Rolling element bearing life

KW - Seals

KW - Water-based hydraulic fluids

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SP - 500

EP - 519

JO - ASTM Special Technical Publication

JF - ASTM Special Technical Publication

SN - 0066-0558

IS - 1339

Y2 - 5 December 1999 through 6 December 1999

ER -

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