A350 LF2 Flanges Dimensions
| Nominal Size | 1 | 1 1/2 | 2 | 1 1/4 | 2 1/2 | 3 1/2 | 4 | 3 | 5 | 8 | 10 | 6 | 14 | 16 | 12 | 18 | 24 | 30** | 20 | 36** |
|---|
| Outside Diameter (OD) | 4.25 | 5 | 6 | 4.68 | 7 | 8.5 | 9 | 7.5 | 10 | 13.5 | 16 | 11 | 21 | 23.5 | 19 | 25 | 32 | 38.75 | 27.5 | 46 |
| Bore Diameter (B) | 1.38 | 1.97 | 2.46 | 1.72 | 2.97 | 4.1 | 4.6 | 3.6 | 5.69 | 8.75 | 10.92 | 6.75 | 14.19 | 16.19 | 12.92 | 18.2 | 24.25 | 30.25 | 20.25 | 36.25 |
| No. of Bolt Holes | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 4 | 8 | 8 | 12 | 8 | 12 | 16 | 12 | 16 | 20 | 28 | 20 | 32 |
| Bolt Hole Diam. | 0.625 | 0.625 | 0.75 | 0.625 | 0.75 | 0.75 | 0.75 | 0.75 | 0.875 | 0.875 | 1 | 0.875 | 1.125 | 1.125 | 1 | 1.25 | 1.375 | 1.375 | 1.25 | 1.625 |
| Bolt Circle (BC) | 3.13 | 3.88 | 4.75 | 3.5 | 5.5 | 7 | 7.5 | 6 | 8.5 | 11.75 | 14.25 | 9.5 | 18.75 | 21.25 | 17 | 22.75 | 29.5 | 36 | 25 | 42.75 |
| Thickness (T) | 0.563 | 0.688 | 0.75 | 0.625 | 0.875 | 0.938 | 0.938 | 0.938 | 0.938 | 1.125 | 1.188 | 1 | 1.375 | 1.438 | 1.25 | 1.562 | 1.875 | 2.125 | 1.688 | 2.375 |
| Hub Length (L) | 0.688 | 0.875 | 1 | 0.813 | 1.125 | 1.25 | 1.312 | 1.188 | 1.438 | 1.75 | 1.938 | 1.562 | 2.25 | 2.5 | 2.188 | 2.688 | 3.25 | 3.5 | 2.875 | 3.75 |
| Hub Diam. (H) | 1.938 | 2.563 | 3.063 | 2.312 | 3.563 | 4.812 | 5.312 | 4.25 | 6.438 | 9.688 | 12 | 7.562 | 15.75 | 18 | 14.375 | 19.875 | 26.125 | 32.75 | 22 | 39.25 |
| Lap Radius ( R ) | 0.13 | 0.25 | 0.31 | 0.19 | 0.31 | 0.38 | 0.44 | 0.38 | 0.44 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Approx. Weight (lbs) | 2 | 3 | 5 | 3 | 7 | 11 | 13 | 8 | 15 | 30 | 42 | 18 | 90 | 98 | 64 | 125 | 212 | 305 | 160 | 440 |
