Roller Chain Sprocket; 20B-1 Chain; 11 Teeth; 1 Row of Teeth; Hardened Teeth; 127.203MM Outside Diameter; 112.7MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 40-2 Chain; 11 Teeth; 2 Row of Teeth; Hardened Teeth; 2.003" Outside Diameter; 1.775" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 12B-1 Chain; 11 Teeth; 1 Row of Teeth; Hardened Teeth; 76.327MM Outside Diameter; 67.62MM 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; 100 Chain; 11 Teeth; 1 Row of Teeth; Hardened Teeth; 5.008" Outside Diameter; 4-7/16" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 80 Chain; 11 Teeth; 1 Row of Teeth; Hardened Teeth; 4.006" Outside Diameter; 3.55" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material