Replaces Exmark O.E.M. #s 103-0064, 103-3785,  Ferris #22631S, Scag # 482503, Toro  #633582 & Wright 72460004.   Wheel size 13x500-6, Flat Proof. Carlisle Reliance Flat Proof  tire on a 6x3.25" wheel. 5.625" centered hub with 3/4" cups pressed in for tapered roller bearings. Painted white. Order bearings WEX9944 separately.