Product Announcement from Rotek, Inc.

Rotek Slewing Bearings for Wind Turbines-Image

Rotek Series 3000 single and double row ball bearings and Rotek Series 10,000 three row roller bearings are commonly used in wind turbines, specifically yaw and blade pitch bearings.

The yaw or azimuth bearing is primarily used for positional adjustment, keeping the nacelle properly oriented in the wind. Single and double row four point contact ball bearings are ideally suited for this application. Three row roller bearings can also be used on MW scale turbines.

Rotor blade pitch must be adjustable to produce maximum output from the generator. Blade pitch bearings in particular have to withstand the continuous load changes resulting in pulsating loads. Single and double row four point contact ball bearings and three row roller bearings are ideally suited for this application.

Rotek bearing models can be internally or externally geared or gearless.

 
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