Roller Chain Sprocket; 1-7/16" Bore; 40 Chain; 31 Teeth; 1 Row of Teeth; Hardened Teeth; 5.217" Outside Diameter; 4.942" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 5/8" Bore; 40 Chain; 31 Teeth; 1 Row of Teeth; Hardened Teeth; 5.217" Outside Diameter; 4.942" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 40 Chain; 31 Teeth; 1 Row of Teeth; Hardened Teeth; 5.217" Outside Diameter; 4.942" Pitch Diameter; B-Hub One Side; Bushed Mount; P1 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 40 Chain; 31 Teeth; 1 Row of Teeth; Hardened Teeth; 5.217" Outside Diameter; 4.942" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 40 Chain; 31 Teeth; 1 Row of Teeth; No Hardened Teeth; 5.217" Outside Diameter; 4.942" Pitch Diameter; B-Hub One Side; Bushed Mount; P1 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material