Roller Chain Sprocket; 12B-1 Chain; 30 Teeth; 1 Row of Teeth; Hardened Teeth; 192.684MM Outside Diameter; 182.25MM 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; 1-3/4" Bore; 12B-1 Chain; 17 Teeth; 1 Row of Teeth; Hardened Teeth; 4.462" Outside Diameter; 4.081" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-3/4" 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; 12B-1 Chain; 18 Teeth; 1 Row of Teeth; Hardened Teeth; 119.456MM Outside Diameter; 109.71MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 1-5/8" Bore; 12B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 5.186" Outside Diameter; 4.794" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ISO Roller Chain; Keyway; Steel Material