Synchronous Pulley; 50MM Belt Width; 8 MM Belt Pitch; 8M-50 Belt Style; 31 Teeth; 60MM Face Width; Rough Bore; 77.65MM Outside Diameter; 78.94MM Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore

Synchronous Pulley; 3" Belt Width; 1/2 Inch Belt Pitch; H Belt Style; 31 Teeth; 3.366" Face Width; Rough Bore; 4.88" Outside Diameter; 4.934" Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore

Synchronous Pulley; 20MM Belt Width; 14 MM Belt Pitch; 14M-20 Belt Style; 31 Teeth; 1.04MM Face Width; Bushed; 5.329MM Outside Diameter; 5.439MM Pitch Diameter; Yes Keyway; 2012 Bushing; No Minimum Plain Bore

Synchronous Pulley; 37MM Belt Width; 14 MM Belt Pitch; 14M-37 Belt Style; 31 Teeth; 1.74MM Face Width; Bushed; 5.329MM Outside Diameter; 5.439MM Pitch Diameter; Yes Keyway; 2517 Bushing; No Minimum Plain Bore

30MM Belt Width; 8MM Belt Pitch; 8MGT-30 Powergrip GT2 Belt Style; 31 Teeth; 31MM Face Width; Bushed; 86.614MM Flange OD; 77.572MM OD; 78.943MM Pitch Diam; Keyway; 12.7 To 31.75MM Bushing Bore Range; 1210 Bushing; No Minimum Plain Bore