BALL BEARING FOR PULLEY CODE 31270019 FOR RIDE-ON MOWER lawn mower COMPATIBLE CASTELGARDEN TECHNICAL SPECIFICATIONS MODELS FC 112 OUTER DIAMETER 35 mm INNER DIAMETER 15 mm HEIGHT 11 mm CODE: 5556202 2RS ORIGINAL CODE: 11921648/0 , 119216033/1 , 1136-0070-01 SR