This needle bearing supports rotating shafts within the header drivetrain of a combine harvester. It is installed in the housing that transmits torque from the gearbox to the auger or reel drive. A worn bearing produces radial play, which leads to misalignment and accelerated wear on the shaft and housing bore. The original bearing is manufactured to the same internal clearance and raceway geometry as the factory assembly, so no shimming or housing modification is required during replacement. On installation, ensure the bearing is fully seated in the bore and that the shaft rotates freely before securing the retaining hardware.