| abstract |
The present invention relates to a spherical roller bearing, comprising: an outer race having at least one inner raceway, an inner race having first and second outer raceways, and a plurality of roller elements disposed between the at least one inner raceway and the respective first and second outer raceways in first and second roller rows. Furthermore, the bearing comprises a cage for guiding and/or retaining the roller elements in the first and second roller rows, the cage having a plurality of cage pockets, one of the roller elements being intended to be located in each cage pocket. The bearing also has a particular pitch diameter (PCD), and the cage is a substantially equally-pitched roller that is centered with respect to the pitch diameter (PCD) when an axial force is applied to the bearing. Furthermore, the invention relates to a bearing arrangement and a wind turbine bearing arrangement. |