Synchronous Pulley; 20MM Belt Width; 8MM Belt Pitch; 8M-20 Belt Style; 36 Teeth; 28.702MM Face Width; Bushed; 100MM Flange OD; 90.297MM OD; 91.669MM Pitch Diameter; Yes Keyway; 14 To 42MM Bushing Bore Range; 1610 Bushing; No Minimum Plain Bore