BLADE HOLDER HUB FOR TAG LIAER LAWNMOWER MOWERS MTD : 478SP , 53HA , 530HM , CPG53BM , GES53 , GES53H , HB53RB , PRO7053 , RB53-5R , SILVER530K , SP53CWH , YM6021SPK MODEL - TECHNICAL CHARACTERISTICS OUTER DIAMETER 25. 4 mm SHAFT DIAMETER 55 mm HEIGHT 20 mm INSERTION DEPTH - mm CODE: 13286669 ORIGINAL CODE 748-04082 , 748-04226 SR