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MS27641-4
Bearing
Description
Bore: 1/4", intermediate duty anti-friction airframe bearing
Specifications
| Approximate Inside Shoulder Diameter A | 0.380 in |
|---|---|
| Bore B | 0.2500 in |
| Bore B Tolerance | -0.0005 in |
| Bore Diameter | Between 0.2495 inches and 0.2500 inches |
| Industry Standards/Certification | MS27641 |
| Inside Ring Bore Chamfer E | 0.005 in |
| Inside Ring Bore Chamfer E Tolerance | -0.000 in |
| Inside Ring Width W | 0.281 in |
| Inside Ring Width W Tolerance | -0.005 in |
| Manufacturing Part Number | KP4A |
| Material | Rubber |
| NIIN | 00-030-3381 |
| NSN | 3110-00-030-3381 |
| Outside Diameter D | 0.7500 in |
| Outside Diameter D Tolerance | -0.0005 in |
| Outside Ring Outer Diameter Chamfer C | 0.016 in |
| Outside Ring Outer Diameter Chamfer C Tolerance | -0.000 in |
| Outside Ring Width H | 0.219 in |
| Outside Ring Width H Tolerance | -0.005 in |
| Radial Limit Load Rating | 1880 lb |
| Style Designator | Single row inner ring extended both sides |
| Surface Treatment | Cadmium |
| Thrust Limit Load Rating | 900 lb |
| Weight | 0.04 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS27641-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error