Roller Chain Sprocket; 12B-1 Chain; 39 Teeth; 1 Row of Teeth; No Hardened Teeth; 247.396MM Outside Diameter; 236.74MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 12B-1 Chain; 39 Teeth; 1 Row of Teeth; Hardened Teeth; 247.396MM Outside Diameter; 236.74MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 12B-1 Chain; 39 Teeth; 1 Row of Teeth; Hardened Teeth; 247.396MM Outside Diameter; 236.74MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material