| Number of Teeth (Chordal Action) | Nom. Pitch Diameter | Nom. Outer Diameter | Nom. Hub Width | Available Bore Sizes | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| in | mm | in | mm | in | mm | Round in | Square in | Round mm | Square mm | |
| 8 (7.61%) | 3.9 | 99 | 4.0 | 102 | 1.0 | 25 | 1.5 | 40 | ||
| 13 (2.91%) | 6.3 | 160 | 6.4 | 163 | 1.0 | 25 | 2.5 | 60 | ||
| 16 (1.92%) | 7.7 | 196 | 7.8 | 198 | 1.0 | 25 | 1.5, 2.5 | 40, 60 | ||
