Fits John Deere Disc Harrow Seal TP-A14629 AW AWS BN BWN C E RW RWA KBA U US FWOne New Aftermarket Replacement Disc Bearing Seal Fits John Deere Disc Harrows and Planters This aftermarket replacement disc bearing seal fits a wide range of Fits John Deere (Fits JD) disc harrows and planters. It seats at the disc bearing on the harrow gang assembly, keeping grease in and contaminants out to protect bearing life in the field. Specifications Outer Diameter (OD): 3. 155 in. Inner Diameter (ID): 2. 085 in. Width: 0. 266 in. Bore: 3.