This self-aligning bearing supports rotating shafts in the threshing drive and straw-walker assemblies of a forage harvester. It accommodates minor angular misalignment between the shaft and housing, reducing binding and localized wear. A worn bearing produces increased vibration and noise in the driveline, which can lead to premature failure of adjacent shaft seals and driven components. As an original-manufacturer part, the bearing uses the same internal clearance and raceway geometry as the factory-installed component, so it maintains the original shaft alignment without requiring shimming or housing modification.