The Bearing,ball,annular, cataloged under National Stock Number 3110-01-294-8117, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Acron Aviation, Inc.. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-294-8117 |
| Primary Part Number | 571-9442-01 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Acron Aviation, Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | OIL |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MAXIMUM RADIAL IN |
| Flange Outside Diameter | 0.5460 INCHES MINIMUM AND 0.5470 INCHES MAXIMUM IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | QQ-S-763,COND A FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766,COND A FED SPEC 2ND MATERIAL RESPONSE RETAINER |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OUTER RING |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Flange Width | 0.0210 INCHES MINIMUM AND 0.0230 INCHES MAXIMUM IN |
| Outer Ring Outside Diameter | 0.4998 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Bore Diameter | 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL COMP 440C BALL |
| Material | STEEL COMP 410 OR STEEL COMP 303 RETAINER |
| Lubrication Material Document and Classification | MIL-L-81846 MIL SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 571-9442-01 PRIMARY | Acron Aviation, Inc. (USA) |
| 571-9442-01 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| SSRIF-8516SD503RA5P24LY676U | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| S814FR5P24LY286 | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
| 10107564 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 571-9442-01 | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
| 571-9442-01 | 5/9 Secondary reference Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
NSN 3110-01-294-8117 is a Bearing,ball,annular, manufactured by Acron Aviation, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-294-8117 has 3 manufacturer part numbers on file: 571-9442-01 (Acron Aviation, Inc.), 571-9442-01 (New Hampshire Ball Bearings Inc Div Precision Division), SSRIF-8516SD503RA5P24LY676U (New Hampshire Ball Bearings Inc Div Precision Division).
Key specifications for 571-9442-01: Retainer Fabrication Method: PRESSED; Lubrication Material: OIL; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MAXIMUM RADIAL IN; Flange Outside Diameter: 0.5460 INCHES MINIMUM AND 0.5470 INCHES MAXIMUM IN. 20 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.