Roller Chain Sprocket; 12B-1 Chain; 13 Teeth; 1 Row of Teeth; Hardened Teeth; 88.722MM Outside Diameter; 79.6MM Pitch Diameter; A-No Hub; 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; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 5.426" Outside Diameter; 5.032" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 3/4" 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; 1-3/8" Bore; 12B-1 Chain; 22 Teeth; 1 Row of Teeth; Hardened Teeth; 5.666" Outside Diameter; 5.27" 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; 28 Teeth; 1 Row of Teeth; Hardened Teeth; 180.492MM Outside Diameter; 170.14MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material