20MM Belt Width; 14MM Belt Pitch; 14M-20 Poly Chain GT2 Belt Style; 63 Teeth; 26.416MM Face Width; Bushed; 294.386MM Flange OD; 277.952MM OD; 280.746MM Pitch Diam; Keyway; 30.163 To 100.013MM Bushing Bore Range; 3525 Bushing; No Minimum Plain Bore