blades for lawnmowers mowers mowers mowers MODELS: MF 19 SK 48 SPKM SP 48 MB 48 PKM BM 48 OHV YM 5519 SPO YM 5519 SPBHW YM 5519 PO 5048 BNW MF 19 SHWK V-50 BC 48 SPHW LENGTH: 480 mm Ø CENTRAL STAR HOLE Ø SIDE HOLE: 8. 0 mm SIDE BORER INDEX: 63.5 mm MTD Part No.: 22-883 Original Part No.: 742-0739 942-0739 CZ