W208PPB13, DS208TT13, 1AS08-7/8 DISC HARROW BEARINGDIMENSIONS:BORE: 7/8" SquareO.D. 80MM RoundTHIS BEARING UNIT IS ALSO KNOW AS:BCA/FEDERAL MOGUL: DS208TT13FAFNIR/TORRINGTON: W208PPB13NDH: AS4508FFNTN: 1AS08-7/8