Roller Chain Sprocket; 1-1/2" Bore; 10B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 4.321" Outside Diameter; 3.995" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 5/8" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-3/16" Bore; 10B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 4.321" Outside Diameter; 3.995" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 5/8" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-3/8" Bore; 10B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 4.321" Outside Diameter; 3.995" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 5/8" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-7/16" Bore; 10B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 4.321" Outside Diameter; 3.995" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 5/8" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 30MM Bore; 10B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 109.753MM Outside Diameter; 101.48MM Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 15.875MM Chain Pitch; ISO Roller Chain; Keyway; Steel Material