Number of Teeth (Chordal Action)Nom. Pitch DiameterNom. Outer Diameter Nom. Hub Width Available Bore Sizes
inmminmminmmRound inSquare inRound mmSquare mm
24 (0.86%)4.61174.71191.538 1.5 40
32 (0.48%)6.11556.21571.538 1.5, 2.5 40, 60