Roller Chain Sprocket; 16B-3 Chain; 21 Teeth; 3 Row of Teeth; No Hardened Teeth; 183.769MM Outside Diameter; 170.42MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 25.4MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 20B-2 Chain; 21 Teeth; 2 Row of Teeth; No Hardened Teeth; 229.718MM Outside Diameter; 213.03MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 16B-3 Chain; 21 Teeth; 3 Row of Teeth; No Hardened Teeth; 183.769MM Outside Diameter; 170.42MM Pitch Diameter; B-Hub One Side; Bushed Mount; 3030 Bushing; 25.4MM Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 08B-3 Chain; 21 Teeth; 3 Row of Teeth; No Hardened Teeth; 91.897MM Outside Diameter; 85.21MM 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; 03B-1 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 35.712MM Outside Diameter; 33.54MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 5MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material