Synchronous Pulley; 30MM Belt Width; 8 Millimeter Belt Pitch; 8M-30 Belt Style; 28 Teeth; 31.75MM Face Width; Bushed; 80.162MM Flange OD; 69.926MM OD; 71.3MM Pitch Diam; Yes Keyway; 10 To 38MM Bushing Bore Range; H Bushing; No Minimum Plain Bore