FLAT GROOVE IDLER PULLEY WITH BEARING FOR RIDE-ON MOWER LAWN MOWER COMPATIBLE LAWN MOWER ALPINA CASTELGARDEN MOUNTFIELD STIGA TECHNICAL CHARACTERISTICS ALPINA MODELS : AT1 66 , AT3 72 , BT 66 , BT 66 HC , BT 66 Q , BT 66 SD CASTELGARDEN : F72 H , XE 866 B , XE 966 HDB , XF 130 , XF 130 HD , XF 135 HD , XF 140 , XF 140 HD MOUNTFIELD : 827M , 1228M , 1328M STIGA : COMBI 1066 H , COMBI 3072 H , GARDEN COMBI , GARDEN COMBI HST OUTER DIAMETER 88 mm INNER DIAMETER 8.5 mm HEIGHT 73 mm CODE: 31270313 ORIGINAL CODE: 127604008/0 , 27604008/0 , 1136-1271-01 SR 180