The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-034-1491, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-034-1491 |
| Primary Part Number | 9309UD101T |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | FORGED |
| Internal Clearance | 0.0048 INCHES MINIMUM RADIAL AND 0.0058 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING |
| Overall Outside Diameter | 3.9370 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 1.3774 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | COPPER ALLOY RETAINER |
| Material | GREASE LUBRICATION |
| Material | STEEL BALL |
| Lubrication Material Document and Classification | MIL-G-25537 MIL SPEC SINGLE MATERIAL RESPONSE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 9309UD101T | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6051T68P02 | 1/3 Source control — Government-approved source U.S. Government activity |
| AAMM407SMBRDTE-9444 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-01-034-1491 is a Bearing,ball,duplex, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-034-1491 has 1 manufacturer part number on file: 9309UD101T (Skf Usa Inc.).
Key specifications for 9309UD101T: Retainer Fabrication Method: FORGED; Internal Clearance: 0.0048 INCHES MINIMUM RADIAL AND 0.0058 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING. 15 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.
NSN 3110-01-034-1491 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.