Precision version of the double-row type, for flight control systems where runout and play must be kept low. This page lists every size in this group with a link to its model page.
Typical applications: flight control systems, landing gear, airframe linkages, actuators and antenna mechanisms.
Request a quote for airframe bearings| Prefix | Example | d × D × B (mm) |
|---|---|---|
| MKP… | MKP3AFS428 | 4.826 × 15.875 × 7.544 |
| MKSP… | MKSP3FS428 | 4.826 × 19.746 × 7.544 |
Each row is one size and links to its model page. Dimensions are in millimetres.
| d | D | B | Models |
|---|---|---|---|
| 4.826 | 12.7 | 6.02 | MKP3ALFS428MKP3ALFS464 |
| 4.826 | 15.875 | 6.223 | MKSP3LFS428MKSP3LFS464MKP3AFS428MKP3AFS464 |
| 4.826 | 19.746 | 7.544 | MKSP3FS428 |
| 6.35 | 19.05 | 7.137 | MKP4AFS428MKP4AFS464MKSP4AFS428MKSP4AFS464 |
| 6.35 | 22.896 | 12.294 | MKP4FS428MKP4FS464MKSP4FS428MKSP4FS464 |
| 7.938 | 20.638 | 7.544 | MKP5AFS428MKP5AFS464MKSP5AFS428MKSP5AFS464 |
| 7.938 | 31.75 | 14.173 | MKP5FS428MKP5FS464MKSP5FS428MKSP5FS464 |
| 9.525 | 22.225 | 7.95 | MKP6AFS428MKP6AFS464MKSP6AFS428 |
| 9.525 | 36.513 | 15.748 | MKP6FS428MKP6FS464MKSP6FS428 |
| 12.7 | 28.575 | 9.525 | MKP8AFS428MKP8AFS464 |
| 12.7 | 42.863 | 15.748 | MKP8FS428MKP8FS464 |
| 15.875 | 34.925 | 10.312 | MKP10AFS428MKP10AFS464 |
| 19.05 | 41.275 | 11.1 | MKP12AFS428MKP12AFS464 |
| 25.4 | 44.45 | 11.1 | MKP16BFS428MKP16BFS464 |
| 25.4 | 49.213 | 11.1 | MKP16BSFS428MKP16BSFS464 |
| 25.4 | 50.8 | 12.7 | MKP16AFS428MKP16AFS464 |
| 31.75 | 57.15 | 12.7 | MKP20AFS428MKP20AFS464 |
| 33.35 | 52.388 | 11.1 | MKP21BFS428MKP21BFS464 |
| 33.35 | 57.15 | 11.1 | MKP21BSFS428MKP21BSFS464 |
| 36.525 | 60.325 | 11.1 | MKP23BSFS428 |
Dimensions are the same as on each model page. Models without a complete bore, OD and width are not listed here; ask us for them.
Send the full part number, your drawing or a sample, the quantity and any test or documentation requirements. We match by dimensions and function and confirm before quoting.
Most of these bearings are inch sizes. For example 15.875 mm is 5/8 in and 6.35 mm is 1/4 in.
Send the full part number and your drawing or sample. We match by dimensions and function and confirm before quoting.
Yes. The suffix marks a different version of the same envelope. Always send the full number.
Send the part number, dimensions or drawing. We confirm specs, supplier status and lead time before quoting.
Request a Quote