20MM Belt Width; 14MM Belt Pitch; 14M-20 Poly Chain GT2 Belt Style; 30 Teeth; 26.416MM Face Width; Bushed; 146.304MM Flange OD; 130.886MM OD; 133.68MM Pitch Diam; Keyway; 12.7 To 63.5MM Bushing Bore Range; SK Bushing; No Minimum Plain Bore