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Where locating bearing and non-locating bearings are accommodated in separate housings it is possible that, due to mounting and manufacturing inaccuracies as well as the shaft deflection resulting from operating loads, the only bearing type that can be used is one with an angular adjustment facility. Due to the high loads acting on the rotor bearings, spherical roller bearings are the preferred bearing type here.
Since non-locating bearings are subjected to radial load only, our standard spherical roller bearings can be used in this case. Locating bearings are subjected to particularly high axial loads as a result of the wind forces. We have therefore optimised our proven standard spherical roller bearings in relation to the specific requirements placed on locating bearings in wind turbines. This TPI exclusively covers spherical roller bearings that are used as locating bearings for the rotor bearing arrangement in wind turbines.
Publisher: Schaeffler Technologies AG & Co. KG