37MM Belt Width; 14MM Belt Pitch; 14M-37 Poly Chain GT2 Belt Style; 28 Teeth; 44.196MM Face Width; Bushed; 137.16MM Flange OD; 121.971MM OD; 124.765MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore