21MM Belt Width; 8MM Belt Pitch; 8M-21 Poly Chain GT2 Belt Style; 71 Teeth; 23.368MM Face Width; Bushed; 190.5MM Flange OD; 179.197MM OD; 180.797MM Pitch Diam; Keyway; 12.7 To 68.263MM Bushing Bore Range; 2517 Bushing; No Minimum Plain Bore

Synchronous Pulley; 12MM Belt Width; 8 MM Belt Pitch; 8M-12 Belt Style; 71 Teeth; 21.59MM Face Width; Bushed; 179.2MM Outside Diameter; 180.8MM Pitch Diameter; Yes Keyway; 2012 Bushing; No Minimum Plain Bore

62MM Belt Width; 8MM Belt Pitch; 8M-62 Poly Chain GT2 Belt Style; 71 Teeth; 66.802MM Face Width; Bushed; 190.5MM Flange OD; 179.197MM OD; 180.797MM Pitch Diam; Keyway; 22.225 To 82.55MM Bushing Bore Range; 3020 Bushing; No Minimum Plain Bore

36MM Belt Width; 8MM Belt Pitch; 8M-36 Poly Chain GT2 Belt Style; 71 Teeth; 40.132MM Face Width; Bushed; 190.5MM Flange OD; 179.197MM OD; 180.797MM Pitch Diam; Keyway; 12.7 To 68.263MM Bushing Bore Range; 2517 Bushing; No Minimum Plain Bore

12MM Belt Width; 8MM Belt Pitch; 8M-12 Poly Chain GT2 Belt Style; 71 Teeth; 14.478MM Face Width; Bushed; 190.5MM Flange OD; 179.197MM OD; 180.797MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore