Number of Teeth (Chordal Action)Nom. Pitch DiameterNom. Outer Diameter Nom. Hub Width Available Bore Sizes
inmminmminmmRound inSquare inRound mmSquare mm
10 (4.89%)6.41636.31601.743 1.5 40
12 (3.41%)7.81987.71961.538 1.5 40
16 (1.92%)10.125710.22591.5384.03.5 90