The Ford 9-Inch Axle Conversion Bearing by Yukon Gear and Axle offers a reliable solution for adapting a small bearing housing to a large bearing housing on Ford 9-inch differentials. This high-quality steel bearing, with an outer diameter of 3.150 inches and inner diameter of 1.377 inches, fits securely for a seamless conversion. Ideal for custom builds and axle upgrades, this roller bearing ensures durability and smooth operation.