| Series | Shaft Size | Part Number | A | B | C | D | E | F | G | Bolt Hole |
| 204 | 1/2 5/8 3/4 | FBUH316 FBUH320 FBUH324 | 4.250 | 2.563 | 1.688 | 1.500 | 2.500 | 1.000 | 1.500 | 0.406 |
| 205 | 7/8 15/16 1 | FBUH328 FBUH330 FBUH332 | 4.750 | 2.938 | 1.813 | 1.625 | 2.750 | 1.000 | 1.500 | 0.469 |
| 206 | 1-1/16 1-1/8 1-3/16 1-1/4 | FBUH334 FBUH336 FBUH338 FBUH340S | 5.500 | 3.313 | 2.063 | 1.875 | 3.250 | 1.000 | 1.500 | 0.469 |
| 207 | 1-1/4 1-5/16 1-3/8 1-7/16 | FBUH340 FBUH342 FBUH344 FBUH346 | 6.250 | 3.625 | 2.375 | 2.000 | 3.750 | 1.250 | 1.750 | 0.531 |
| 210 | 1-15/16 2 | FBUH362 FBUH364 | 7.500 | 4.563 | 2.938 | 2.750 | 4.000 | 1.500 | 2.000 | 0.531 |