20MM Belt Width; 14MM Belt Pitch; 14M-20 Poly Chain GT2 Belt Style; 39 Teeth; 26.416MM Face Width; Bushed; 191.008MM Flange OD; 170.993MM OD; 173.787MM Pitch Diam; Keyway; 12.7 To 68.263MM Bushing Bore Range; 2517 Bushing; No Minimum Plain Bore