The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-449-8441, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-449-8441 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.5580 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM IN |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 0.9370 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM IN |
| Load Direction | RADIAL |
| Surface Treatment | CADMIUM AND CHROMATE ALL EXTERNAL/EXPOSED METAL SURFACES |
| Seal Quantity | 2 |
| Bore Diameter | 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL RETAINER |
| Material | STEEL BALL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS21443-5BG | 2/2 Government specification standardization U.S. Government activity |
NSN 3110-01-449-8441 is a Bearing,ball,airframe, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-449-8441: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.5580 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM IN; Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.