This bearing housing encloses and supports the bearing assembly on the straw walker mechanism of a combine harvester. It is mounted on the header, where it maintains alignment of the rotating shaft that drives the walkers. A damaged or worn housing allows shaft misalignment, leading to accelerated bearing wear and walker timing issues. The housing is manufactured to the original geometry so that the bearing seats correctly and the shaft remains concentric with the drive sprocket. When replacing, transfer the existing bearing and seal into the new housing, and torque the mounting bolts to specification.