Roller Chain Sprocket; 40-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 40-2 Chain; 25 Teeth; 2 Row of Teeth; Hardened Teeth; 4.258" Outside Diameter; 3.989" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 40-2 Chain; 26 Teeth; 2 Row of Teeth; Hardened Teeth; 4.418" Outside Diameter; 4.148" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 40-2 Chain; 17 Teeth; 2 Row of Teeth; Hardened Teeth; 2.974" Outside Diameter; 2.721" Pitch Diameter; A-No Hub; Bushed Mount; 1008 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 40-2 Chain; 16 Teeth; 2 Row of Teeth; Hardened Teeth; 2.814" Outside Diameter; 2-9/16" Pitch Diameter; A-No Hub; Bushed Mount; 1008 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material