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; 45MM Bore; 40-2 Chain; 25 Teeth; 2 Row of Teeth; No Hardened Teeth; 108.153MM Outside Diameter; 101.33MM Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 12.7MM Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 40-2 Chain; 25 Teeth; 2 Row of Teeth; Hardened Teeth; 4.258" Outside Diameter; 3.989" Pitch Diameter; B-Hub One Side; Bushed Mount; 2012 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 40-2 Chain; 25 Teeth; 2 Row of Teeth; Hardened Teeth; 4.258" Outside Diameter; 3.989" Pitch Diameter; B-Hub One Side; Bushed Mount; P1 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

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