Roller Chain Sprocket; 20B-1 Chain; 58 Teeth; 1 Row of Teeth; Hardened Teeth; 604.647MM Outside Diameter; 586.45MM Pitch Diameter; C-Hub Both Sides; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 100 Chain; 58 Teeth; 1 Row of Teeth; Hardened Teeth; 23.805" Outside Diameter; 23.089" Pitch Diameter; C-Hub Both Sides; Rough Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material