False Brinelling
Brinelling occurs mainly from excessive loading or impacts. False brinelling however while similar has different underlying causes and symptoms.
What is Black Oxide?
What is black oxide coating and how can it help improve the life of WTG gearbox bearings?
Through Hardened vs Case Hardened Bearings
Standard bearings are through hardened, but upgrading to a case hardened bearing has a lot of benefits in demanding applications. Read more about the difference between these bearing types.
Special Bearing Used in GE Pitch Motors
The OEM uses a 6206 with special grease, high temp seals, and high heat stabilized rings. This special bearing has also been upgraded to include ceramic balls.
Relevant Published Articles
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Malloy Wind Company Profile
History of Malloy Electric and our support of the Wind market.
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Cracking Blade Bearings
What causes blade bearing cracks and where to find them before it’s too late.
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White Structure Flaking in Rolling Bearings for Wind Turbine Gearboxes
An investigation into the failure modes yielding white structure flaking and axial cracking in wind turbine gearbox rolling bearings
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Blade Bearing Cage Failure
Cage failure of blade bearings at 5 years or less.