Roller Chain Sprocket; 140 Chain; 80 Teeth; 1 Row of Teeth; No Hardened Teeth; 45.591" Outside Diameter; 44.574" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1-3/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 12B-1 Chain; 80 Teeth; 1 Row of Teeth; Hardened Teeth; 496.291MM Outside Diameter; 485.23MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material

Synchronous Pulley; 15.875MM Bore; 30MM Belt Width; 8 MM Belt Pitch; 8M-30 Belt Style; 80 Teeth; 38.1MM Face Width; Finished Bore; 202.336MM Outside Diameter; 203.708MM Pitch Diameter; Yes Keyway; No Bushing; No Minimum Plain Bore

Synchronous Pulley; 20MM Belt Width; 8 MM Belt Pitch; 8M-20 Belt Style; 80 Teeth; 28.575MM Face Width; Bushed; 202.336MM Outside Diameter; 203.708MM Pitch Diameter; Yes Keyway; 2517 Bushing; No Minimum Plain Bore

Synchronous Pulley; 38.1MM Bore; 20MM Belt Width; 8 MM Belt Pitch; 8M-20 Belt Style; 80 Teeth; 28.575MM Face Width; Finished Bore; 202.336MM Outside Diameter; 203.708MM Pitch Diameter; Yes Keyway; No Bushing; No Minimum Plain Bore