... pitch bearings are installed in each blade root and hub joints. Each wind turbine equipment use three sets pitch bearings ... is not below the adjustable blade, can not use pitch bearing.)turntalbe beairng-wind turbine bearing-bearing ring -ring ... machine bearings, Ship unloaderbearings,Stacker bearings, Robot bearings, Wind turbine bearings, Onshore bearings, Offshore bearings, Ladle turret bearing, ...