Roller Chain Sprocket; 12B-1 Chain; 31 Teeth; 1 Row of Teeth; No Hardened Teeth; 198.78MM Outside Diameter; 188.3MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 10B-2 Chain; 31 Teeth; 2 Row of Teeth; No Hardened Teeth; B-Hub One Side; Rough Bore Mount; No Bushing; 15.875MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 06B-1 Chain; 31 Teeth; 1 Row of Teeth; Hardened Teeth; 98.3MM Outside Diameter; 94.15MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 9.525MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 20B-1 Chain; 31 Teeth; 1 Row of Teeth; Hardened Teeth; 331.292MM Outside Diameter; 313.83MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 100 Chain; 31 Teeth; 1 Row of Teeth; No Hardened Teeth; 13.043" Outside Diameter; 12.355" Pitch Diameter; B-Hub One Side; Bushed Mount; 3020 Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material