Wind Turbine Design Guideline DG03: Yaw and Pitch Rolling Bearing Life

Kathleen O'Dell

Research output: NRELTechnical Report

Abstract

This report describes the design criteria, calculation methods, and applicable standards recommended for use in performance and life analyses of ball and roller (rolling) bearings for yaw and pitch motion support in wind turbine applications. The formulae presented here for rolling bearing analytical methods and bearing-life ratings are consistent with methods in current use by wind turbinedesigners and rolling-bearing manufacturers.
Original languageAmerican English
Number of pages63
DOIs
StatePublished - 2009

NREL Publication Number

  • NREL/TP-500-42362

Keywords

  • bearing life ratings
  • motion support
  • rolling bearing analytical methods
  • wind turbine
  • yaw and pitch

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