Number of Teeth (Chordal Action)Nom. Pitch DiameterNom. Outer Diameter Nom. Hub Width Available Bore Sizes
inmminmminmmRound inSquare inRound mmSquare mm
16 (1.92%)7.81987.92011.538 2.5 60
22 (1.02%)10.626910.92771.538 2.5, 3.5 60