Number of Teeth (Chordal Action) | Nom. Pitch Diameter | Nom. Outer Diameter | Nom. Hub Width | Available Bore Sizes | ||||||
---|---|---|---|---|---|---|---|---|---|---|
in | mm | in | mm | in | mm | Round in1 | Square in | Round mm1 | Square mm | |
6 (13.40%) | 2.0 | 51 | 1.8 | 46 | 1.0 | 25 | 1.0 | 25 | ||
10 (4.89%) | 3.2 | 81 | 3.2 | 81 | 1.0 | 25 | 1.0 | 1.5 | 25 | 40 |
12 (3.41%) | 3.9 | 99 | 3.8 | 97 | 1.0 | 25 | 1.5 | 40 | ||
20 (1.23%) | 6.4 | 163 | 6.4 | 163 | 1.0 | 25 | 1.5 | 40 |
When using polyurethane sprockets, the belt strength for belts rated over 500 lbf/ft (7,300 N/m) is de-rated to 500 lb/ft (7,300 N/m) All other belts maintain the 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.
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.