GRASSHOPPER BOLT HUB BOLT SUPPORT FOR MOWER ROTARY MOWER TOWER MOWER 40318X80A , 40320X88 , 40373X68A , 40379X88 , 40382X58 MODEL - TECHNICAL SPECIFICATIONS SHAFT DIAMETER - mm HEIGHT - mm INSERTION DEPTH - mm PULLEY DIAMETER - mm CODE : 13289586 ORIGINAL CODE 94207MA SR