Roller Chain Sprocket; 25 Chain; 11 Teeth; 1 Row of Teeth; No Hardened Teeth; 1.002" Outside Diameter; 0.887" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Stainless Steel Material

Roller Chain Sprocket; 7/8" Bore; 12B-1 Chain; 11 Teeth; 1 Row of Teeth; Hardened Teeth; 3.005" Outside Diameter; 2.662" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-1/4" Bore; 12B-1 Chain; 11 Teeth; 1 Row of Teeth; Hardened Teeth; 3.005" Outside Diameter; 2.662" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-1/8" Bore; 12B-1 Chain; 11 Teeth; 1 Row of Teeth; Hardened Teeth; 3.005" Outside Diameter; 2.662" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-7/16" Bore; 81X Chain; 11 Teeth; 1 Row of Teeth; No Hardened Teeth; 10.015" Outside Diameter; 9.261" Pitch Diameter; C-Hub Both Sides; Finished Bore Mount; No Bushing; 2-39/64" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material