A-MULCBB1118-AI Disc Harrow BrgOne New Aftermarket Replacement Disc Harrow Bearing for Agricultural Disc Harrows This disc harrow bearing is a sealed, pre lubricated replacement unit designed for agricultural disc harrows. Featuring a 1 1 8" square bore, it mounts to the disc axle shaft and provides smooth, durable rotation under the heavy radial loads and harsh soil conditions common in tillage applications. The flanged housing protects the bearing from dirt, dust, and moisture to