Synchronous Pulley; 30MM Belt Width; 8 MM Belt Pitch; 8M-30 Belt Style; 72 Teeth; 38MM Face Width; Rough Bore; 181.97MM Outside Diameter; 183.35MM Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore

Roller Chain Sprocket; 083B-1 Chain; 72 Teeth; 1 Row of Teeth; No Hardened Teeth; 298MM Outside Diameter; 291.15MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 05B-1 Chain; 72 Teeth; 1 Row of Teeth; No Hardened Teeth; 187.5MM Outside Diameter; 183.41MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 8MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Synchronous Pulley; 30MM Belt Width; 8 MM Belt Pitch; 8M-30 Belt Style; 72 Teeth; 38MM Face Width; Bushed; 181.97MM Outside Diameter; 183.35MM Pitch Diameter; Yes Keyway; 16 To 60MM Bushing Bore Range; 2517 Bushing; No Minimum Plain Bore

Synchronous Pulley; 1" Belt Width; 1/2 Inch Belt Pitch; H Belt Style; 72 Teeth; 1.339" Face Width; Bushed; 11.407" Outside Diameter; 11.461" Pitch Diameter; Yes Keyway; 1/2 To 2" Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore