62MM Belt Width; 8MM Belt Pitch; 8M-62 Poly Chain GT2 Belt Style; 50 Teeth; 66.802MM Face Width; Bushed; 137.414MM Flange OD; 125.73MM OD; 127.33MM Pitch Diam; Keyway; 12.7 To 68.263MM Bushing Bore Range; 2517 Bushing; No Minimum Plain Bore