Synchronous Pulley; 50MM Belt Width; 8 Millimeter Belt Pitch; 8M-50 Belt Style; 40 Teeth; 53.975MM Face Width; Bushed; 110.338MM Flange OD; 100.49MM OD; 101.86MM Pitch Diam; Yes Keyway; 14 To 40MM Bushing Bore Range; SH Bushing; No Minimum Plain Bore