|Pitch Diameter||Maximum Bore||Stock Bore||Hub Diameter||Length Through Bore||Sprocket Weight|
Listed maximum bore is with setscrew at angle to keyway.
H at the end of Catalog Number indicates sizes standard with hardened teeth. Other sizes available with hardened teeth as an alteration if desired.
This size standard with hardened teeth.
Hub diameters marked "R" are recessed for chain clearance.