High-precision controls, instruments and antenna mechanisms, with tighter tolerances on raceway geometry and runout. 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) |
|---|---|---|
| KP… | KP16BSFS428 | 25.4 × 49.213 × 11.1 |
Each row is one size and links to its model page. Dimensions are in millimetres.
| d | D | B | Models |
|---|---|---|---|
| 25.4 | 49.213 | 11.1 | KP16BSFS428KP16BSFS464 |
| 33.35 | 57.15 | 11.1 | KP21BSFS428KP21BSFS464 |
| 36.525 | 60.325 | 11.1 | KP23BSFS428KP23BSFS464 |
| 39.7 | 63.5 | 11.1 | KP25BSFS428KP25BSFS464 |
| 46.05 | 69.85 | 11.1 | KP29BSFS428KP29BSFS464 |
| 52.4 | 76.2 | 11.1 | KP33BSFS428KP33BSFS464 |
| 58.75 | 82.55 | 11.1 | KP37BSFS428KP37BSFS464 |
| 74.625 | 104.775 | 13.487 | KP47BSFS428KP47BSFS464 |
| 76.2 | 107.95 | 13.487 | KP48BSFS428KP48BSFS464 |
| 77.788 | 107.95 | 13.487 | KP49BSFS428KP49BSFS464 |
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