Archive > 2014 > October 2014 > Premature Bearing Failures in Wind Gearboxes and White Etching Cracks

Premature Bearing Failures in Wind Gearboxes and White Etching Cracks - October 2014

Kenred Stadler, Arno Stubenrauch

The article "Premature Bearing Failures in Wind Gearboxes and White Etching Cracks" appeared in the October 2014 issue of Power Transmission Engineering.

Summary
Wind turbine gearboxes are subjected to a wide variety of operating conditions, some of which may push the bearings beyond their limits. Damage may be done to the bearings, resulting in a specific premature failure mode known as white etching cracks (WEC), sometimes called brittle, short-life, early, abnormal or white structured flaking (WSF). Measures to make the bearings more robust in these operating conditions are discussed in this article.

Keywords
bearings, bearing Wear, Wind Gearboxes, White Etching

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