Roller Chain Sprocket; 081B-1 Chain; 41 Teeth; 1 Row of Teeth; No Hardened Teeth; 172.7MM Outside Diameter; 165.91MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 081B-1 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 91.5MM 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; 081B-1 Chain; 37 Teeth; 1 Row of Teeth; No Hardened Teeth; 156.1MM Outside Diameter; 149.75MM 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; 081B-1 Chain; 40 Teeth; 1 Row of Teeth; No Hardened Teeth; 168.2MM Outside Diameter; 161.87MM 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; 081B-1 Chain; 40 Teeth; 1 Row of Teeth; No Hardened Teeth; 168.2MM Outside Diameter; 161.87MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material