A-40102-AI Disc Harrow BrgOne New Aftermarket Replacement Disc Harrow Bearing for Krause, White, and Sunflower Disc Harrows This disc harrow bearing features a 1 3 16" round bore with a spherical outside diameter, designed to mount on round disc axles in tillage equipment. It is pre lubricated and sealed with a triple lip seal to resist dirt, moisture, and debris in demanding field conditions no field re greasing required. This bearing is a direct aftermarket replacement for