HUSQVARNA ROTARY MOWER BLADE FOR ROYAL 48S , ROYAL 48 SE MODELS MODEL - TECHNICAL SPECIFICATIONS LENGTH 475 mm CENTRAL BORE 10 mm OUTER BORE 8.5 mm CENTRAL BORE INDEX 65 mm CODE: 13270747 ORIGINAL CODE : 516 47 97-01 , 516 47 97-04 , 516 47 97-00 , 531 00 50-33 SR