Roller Chain Sprocket; 1-3/16" Bore; 08B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 3.457" Outside Diameter; 3.196" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1" Bore; 08B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 3.457" Outside Diameter; 3.196" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 08B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 87.808MM Outside Diameter; 81.18MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 3/4" Bore; 08B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 3.457" Outside Diameter; 3.196" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-1/4" Bore; 08B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 3.457" Outside Diameter; 3.196" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ISO Roller Chain; Keyway; Steel Material