A-W20H2152-AI DISC BEARINGOne New Aftermarket Replacement Disc Bearing for White Tractor Disc Harrows This heavy disc harrow bearing features a round bore with a spherical outer diameter and comes pre lubricated for immediate use. It is designed to support disc harrow axles on White Tractor implements and interchanges with a wide range of OEM and aftermarket disc bearing part numbers across multiple brands including Fits Ford, Fits Massey Ferguson, Bush Hog, Lilliston,