BALL BEARING Lawn Mower COMPATIBLE LAWN MOWER ARIENS MTD TECHNICAL CHARACTERISTICS ARIENS MODELS : DIFFERENT MTD : DIFFERENT OUTER DIAMETER 99.95 mm INNER DIAMETER 54.90 mm HEIGHT 20.95 mm CODE: 25270384 ORIGINAL CODE: 05408000 , 54080 , 741-0484 , 941-0484 SR