Sizing
| Bearing Bars Depth & Width | Cross Bars | 19-W-4 Lbs per Sq. Ft. | 19-W-2 Lbs per Sq. Ft. | 15-W-4 Lbs per Sq. Ft. | 15-W-2 Lbs per Sq. Ft. |
|---|---|---|---|---|---|
| 3/4" x 1/8" | 1/4" | 3.99 | 4.63 | 4.95 | 5.59 |
| 1" x 1/8" | 1/4" | 5.15 | 5.79 | 6.44 | 7.08 |
| 1-1/4" x 1/8" | 1/4" | 6.2 | 6.84 | 7.79 | 8.43 |
| 1-1/4" x 3/16" | 1/4" | 9.03 | 9.67 | 11.43 | 12.07 |
| 1-1/2" x 1/8" | 1/4" | 7.35 | 7.99 | 9.27 | 9.91 |
| 1-1/2" x 3/16" | 5/16" | 10.94 | 11.8 | 13.82 | 14.68 |
| 1-3/4" x 3/16" | 5/16" | 12.62 | 13.48 | 15.98 | 16.84 |