New Rear Axle Inner Bearing for Farmall M, Super M, 400, 450 Tractors, ST223, FREE SHIP The (2) compression rings are

The (2) compression rings are 3/32" inch thick for each piston

When replacing the manifold the Manifold Gaskets should also be replaced

Please compare your measurements to the ones below before ordering

The upper Woodruff key slot is 1/4" inch in width

Allis Chalmers Key Switch part numbers part numbers - 70225310

New Rear Axle Inner Bearing for Farmall M, Super M, 400, 450 Tractors, ST223, FREE SHIP The (2) compression rings areNew Rear Axle Inner Bearing for IH Farmall M, Super M, MD, MDV, MV, Super MTA, 400 Series, 450 Series Tractors. FREE SHIPPING!!! There are multiple sizes of inner rear axle bearing for these tractors. You MUST carefully measure your current bearing to ensure you receive the correct bearing. This bearing measures 70mm ID x 125mm OD x 24mm W and is a maximum capacity style bearing. Replaces Case IH Bearing part numbers: ST223, 84330092, 272575R91,