Roller Chain Sprocket; 40 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Bushed Mount; H1 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 40 Chain; 36 Teeth; 1 Row of Teeth; Hardened Teeth; 6.015" Outside Diameter; 5.737" Pitch Diameter; B-Hub One Side; Bushed Mount; SDS Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 40 Chain; 33 Teeth; 1 Row of Teeth; Hardened Teeth; 5.536" Outside Diameter; 5.26" Pitch Diameter; B-Hub One Side; Bushed Mount; H1 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 40 Chain; 36 Teeth; 1 Row of Teeth; Hardened Teeth; 6.015" Outside Diameter; 5.737" Pitch Diameter; B-Hub One Side; Bushed Mount; H1 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 40 Chain; 32 Teeth; 1 Row of Teeth; Hardened Teeth; 5.376" Outside Diameter; 5.101" Pitch Diameter; B-Hub One Side; Bushed Mount; H1 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material