Number of Teeth (Chordal Action)Nom. Pitch DiameterNom. Outer Diameter Nom. Hub Width Available Bore Sizes
inmminmminmmRound inSquare inRound mmSquare mm
6 (13.40%)4.01023.8971.5381.01.53040
8 (7.61%)5.21325.01271.538
10 (4.89%)6.51656.21571.538
12 (3.41%)7.71967.51911.538
16 (1.92%)10.326210.12571.538
  • 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.
  • The temperature range for acetal sprockets is -50°F to 200°F (-46°C to 93°C).
  • The temperature range for PK is -40°F to 176°F (-40°C to 80°C).
  • The temperature range for polyurethane sprockets is 0°F to 120°F (-18°C to 49°C).
  • U.S. key sizes on round bore sprockets are based on ANSI standard B17.1-1967 (R1989) and metric key sizes are based on DIN standard 6885.
  • Contact Intralox Customer Service for availability.