A-142426BH-AI Disc BearingOne New Aftermarket Replacement Disc Bearing for Bush Hog, Case, Massey Ferguson, International Harvester and More This square bore disc harrow bearing (W208PPB12 Fafnir Torrington designation) is a heavy duty agricultural bearing designed for use on disc harrows and other tillage equipment. It features a spherical outer diameter for self alignment, triple lip seals to protect against corrosive field environments, and comes pre lubricated for