Roller Chain Sprocket; 100 Chain; 90 Teeth; 1 Row of Teeth; Hardened Teeth; 36.545" Outside Diameter; 35.818" Pitch Diameter; B-Hub One Side; Bushed Mount; R2 Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 06B-1 Chain; 90 Teeth; 1 Row of Teeth; Hardened Teeth; 278.5MM Outside Diameter; 272.9MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 9.525MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material