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+1 (217) 579-8045Belt sectionA-4L-3LBore typeFinished with keywayBore-to-size bore diameter1Bore-to-size keyseat1/4 in x 1/8 inComponent WR2 (lbs ft2)1.41Datum diameter12Dimension0.34Face width1.38Face width (in)1.38Groove cross section sectionAHub location-0.34Hub location (in)-0.34I.D.11.88Inertia WR²136Inside diameter (in)11.88Material typeCIMax RPM2050Number of grooves2O.D.12.25Outside diameter (in)12.25Pitch diameter12.25RPM upper limit2050
| Belt section | A-4L-3L |
| Bore type | Finished with keyway |
| Bore-to-size bore diameter | 1 |
| Bore-to-size keyseat | 1/4 in x 1/8 in |
| Component WR2 (lbs ft2) | 1.41 |
| Datum diameter | 12 |
| Dimension | 0.34 |
| Face width | 1.38 |
| Face width (in) | 1.38 |
| Groove cross section section | A |
| Hub location | -0.34 |
| Hub location (in) | -0.34 |
| I.D. | 11.88 |
| Inertia WR² | 136 |
| Inside diameter (in) | 11.88 |
| Material type | CI |
| Max RPM | 2050 |
| Number of grooves | 2 |
| O.D. | 12.25 |
| Outside diameter (in) | 12.25 |
| Pitch diameter | 12.25 |
| RPM upper limit | 2050 |