Number of Teeth (Chordal Action)Nom. Pitch DiameterNom. Outer Diameter Nom. Hub Width Available Bore Sizes
inmminmminmmRound inSquare inRound mmSquare mm
20 (1.23%)6.51656.51650.7519 1.5
  • Available in natural acetal
  • Temperature range: -50°F to 200°F (-46°C to 93°C).