Number of Teeth (Chordal Action)Nom. Pitch DiameterNom. Outer DiameterNom. Hub WidthAvailable Bore Sizes
inmminmminmmRound inSquare inRound mmSquare mm
12 (3.41%)3.999 1.5 40
16 (1.92%)5.11305.21321.025
  • Available in grey or black polyurethane
  • Temperature range: 0°F to 120°F (-18°C to 49°C).
  • When using polyurethane sprockets, the belt strength for belts rated over 750 lbf/ft (10,900 N/m) is de-rated to 750 lbf/ft (10,900 N/m). All other belts maintain the published rating.