Synchronous Pulley; 12.7MM Bore; 21MM Belt Width; 8 MM Belt Pitch; 8M-21 Belt Style; 30 Teeth; 23.368MM Face Width; Finished Bore; 74.803MM Outside Diameter; 76.403MM Pitch Diameter; Yes Keyway; No Bushing; No Minimum Plain Bore

Roller Chain Sprocket; 1-3/8" Bore; 60 Chain; 30 Teeth; 1 Row of Teeth; Hardened Teeth; 7.586" Outside Diameter; 7.175" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 1-7/16" Bore; 60 Chain; 30 Teeth; 1 Row of Teeth; Hardened Teeth; 7.586" Outside Diameter; 7.175" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Synchronous Pulley; 85MM Belt Width; 14 MM Belt Pitch; 14M-85 Belt Style; 30 Teeth; 101.6MM Face Width; Locking Sleeve; 130.988MM Outside Diameter; 133.68MM Pitch Diameter; No Keyway; No Bushing; No Minimum Plain Bore

Synchronous Pulley; 85MM Belt Width; 14 MM Belt Pitch; 14M-85 Belt Style; 30 Teeth; 101.6MM Face Width; Rough Bore; 130.988MM Outside Diameter; 133.68MM Pitch Diameter; No Keyway; No Bushing; Minimum Plain Bore