Roller Chain Sprocket; 4" Bore; 180-2 Chain; 54 Teeth; 2 Row of Teeth; No Hardened Teeth; 39.98" Outside Diameter; 38.696" Pitch Diameter; C-Hub Both Sides; Finished Bore Mount; No Bushing; 2-1/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 180-2 Chain; 25 Teeth; 2 Row of Teeth; No Hardened Teeth; 19.161" Outside Diameter; 17.952" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 2-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 180-2 Chain; 23 Teeth; 2 Row of Teeth; No Hardened Teeth; 17.721" Outside Diameter; 16.524" Pitch Diameter; B-Hub One Side; Bushed Mount; 2517 Bushing; 2-1/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 180-2 Chain; 19 Teeth; 2 Row of Teeth; Hardened Teeth; 14.834" Outside Diameter; 13.67" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 2-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 180-2 Chain; 40 Teeth; 2 Row of Teeth; No Hardened Teeth; 29.939" Outside Diameter; 28.677" Pitch Diameter; C-Hub Both Sides; Rough Bore Mount; No Bushing; 2-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material