| Belt width | 0.500 in |
| Bore type | Finished with no keyway |
| Bushing | MPB |
| Dimension | 0.5 |
| Face width | 0.75 |
| Flanges | With Flanges |
| Groove profile | L |
| Hub location | 1.88 |
| Inertia WR2 (lbs ft2) | 0.006 |
| Inertia WR² | 2 |
| Inside hub projection | 0 |
| Material type | Steel |
| Number of grooves | 21 |
| Number of hubs | 1 |
| Number of teeth | 21 |
| O.D. | 2.48 |
| O.D. (in) | 2.477 |
| Outside hub projection | 0.69 |
| Pitch diameter | 2.51 |
| Rim face | 0.75 |
| RPM upper limit | 10100 |
| Tooth pitch | 3/8 |