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November 2011

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Emerson Bearing Announces Dedicated Wind Power Division

Emerson Bearing has announced a dedicated wind power generation division to accommodate the unique bearing requirements of the wind turbine market.

"Wind turbines often stand 250 feet in the air and are mechanical and technical marvels that rely on bearings, which are the key components of the gearbox, generator and blade," said a company spokesperson. "Emerson Bearing provides the necessary roller bearings, deep groove ball bearings and four point contact bearings for gearboxes.

"The generator in the nacelle of a wind turbine is subjected to significantly greater vibration loads, so bearing size, design and lubrication all play a critical role. The bearing arrangement of a generator generally contains a combination of deep groove ball bearings or cylindrical roller bearings, all of which are available through Emerson Bearing. Due to the risk of serious damage such as melt craters and false brinelling, Emerson Bearing advises using current insulated bearings in many applications.

"It is critical that the turbines be aligned optimally to the wind. This is controlled by blade bearings (pitch bearings), yaw bearing and blade adjustment which requires sealed spherical bushings that have corrosion protection. These are all available through Emerson Bearing."

Rick Piracini, Marketing Specialist and industry expert at Emerson Bearing, who oversees the Wind Power Generation division, can assist clients in determining which bearing technologies would be most suitable by taking into consideration the specifications, recommendations, maintenance strategies, fatigue life and wear resistance of all of the various types of bearings needed for wind turbines.

For more information contact:

Emerson Bearing

201 Brighton Ave.

Boston, MA 02134



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