LAWN MOWER BEARING LAWN MOWER COMPATIBLE LAWN MOWER ARIENS BOLENS MTD MURRAY SIMPLICITY TECHNICAL SPECIFICATIONS MODELS - OUTER DIAMETER 34.95 mm INNER DIAMETER 15.9 mm HEIGHT 11.1 mm CODE: 25270060 ORIGINAL CODE: 54039 , 05403900 , 1185169 , 741-0155 , 941-0155 , 99502H , 166521 SR