Synchronous Pulley; 50MM Belt Width; 8 MM Belt Pitch; 8M-50 Belt Style; 28 Teeth; 60.325MM Face Width; Rough Bore; 70.079MM Outside Diameter; 71.298MM Pitch Diameter; No Keyway; No Bushing; Minimum Plain Bore

Roller Chain Sprocket; 12B-1 Chain; 28 Teeth; 1 Row of Teeth; Hardened Teeth; 180.492MM Outside Diameter; 170.14MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 24B-1 Chain; 28 Teeth; 1 Row of Teeth; Hardened Teeth; 361.01MM Outside Diameter; 340.29MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 38.1MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 2080 Chain; 28 Teeth; 1 Row of Teeth; No Hardened Teeth; 9.48" Outside Diameter; 8.988" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 80-2 Chain; 28 Teeth; 2 Row of Teeth; Hardened Teeth; 9.475" Outside Diameter; 8.931" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material