Roller Chain Sprocket; 1-1/2" Bore; 12B-1 Chain; 23 Teeth; 1 Row of Teeth; Hardened Teeth; 5.907" Outside Diameter; 5.508" 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; 12B-1 Chain; 23 Teeth; 1 Row of Teeth; Hardened Teeth; 5.907" Outside Diameter; 5.508" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 12B-1 Chain; 23 Teeth; 1 Row of Teeth; Hardened Teeth; 150.038MM Outside Diameter; 139.9MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 1-1/4" Bore; 12B-1 Chain; 23 Teeth; 1 Row of Teeth; Hardened Teeth; 5.907" Outside Diameter; 5.508" 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; 23 Teeth; 1 Row of Teeth; Hardened Teeth; 5.907" Outside Diameter; 5.508" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ISO Roller Chain; Keyway; Steel Material