Number of Teeth (Chordal Action)Nom. Pitch DiameterNom. Outer Diameter Nom. Hub Width Available Bore Sizes
inmminmminmmRound inSquare inRound mm0Square mm
12 (3.41%)4.11044.31091.538 1.5 40
18 (1.52%)6.11556.31601.538 1.5 40

When using when using 1.5 in (40 mm) bore polyurethane sprockets, the belt strength for belts rated over 650 lbf/ft (9,490 N/m) is de-rated to 650 lbf/ft (9,490 N/m). When using when using 2.5 in (60 mm) bore polyurethane sprockets, the belt strength for belts rated over 1,100 lbf/ft (16,100 N/m) is de-rated to 1,100 lbf/ft (16,100 N/m). All other belts maintain their published rating. The temperature range for polyurethane sprockets is 0°F to 120°F (-18°C to 49°C). Contact Intralox Customer Service for availability of polyurethane sprockets.