Synchronous Pulley; 20MM Belt Width; 8MM Belt Pitch; 8M-20 Belt Style; 22 Teeth; 28.702MM Face Width; Rough Bore; 66.192MM Flange OD; 54.661MM OD; 56.032MM Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore; 1.188" Max Bore

Synchronous Pulley; 50MM Belt Width; 8MM Belt Pitch; 8M-50 Belt Style; 56 Teeth; 60.452MM Face Width; Bushed; 151.003MM Flange OD; 141.224MM OD; 142.596MM Pitch Diameter; Yes Keyway; 14 To 65MM Bushing Bore Range; 2517 Bushing; No Minimum Plain Bore