Synchronous Pulley; 3/8" Belt Width; 1/5 Inch Belt Pitch; XL Belt Style; 50 Teeth; 0.591" Face Width; Rough Bore; 3.163" Outside Diameter; 3.183" Pitch Diameter; No Keyway; No Bushing; Minimum Plain Bore

Roller Chain Sprocket; 40 Chain; 50 Teeth; 1 Row of Teeth; No Hardened Teeth; 8.248" Outside Diameter; 7.963" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 28B-1 Chain; 50 Teeth; 1 Row of Teeth; Hardened Teeth; A-No Hub; Rough Bore Mount; No Bushing; 44.45MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 60 Chain; 50 Teeth; 1 Row of Teeth; Hardened Teeth; 12.371" Outside Diameter; 11.945" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 3/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 12B-1 Chain; 50 Teeth; 1 Row of Teeth; Hardened Teeth; 314.223MM Outside Diameter; 303.39MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material