The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-131-0397, 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 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-131-0397 |
| Primary Part Number | SB1141-102 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | SHOULDERED INNER RING, NON-SEPARABLE, FACE TO FACE MOUNTING |
| Overall Outside Diameter | 5.1181 INCHES NOMINAL IN |
| Features Provided | ALIGNING RING AND MOUNTING GROOVE |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 3.3465 INCHES NOMINAL IN |
| Material | STEEL COMP E52100 BALL |
| Material | COPPER ALLOY RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| SB1141-102 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| SB1141-102 PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| X-70407 | 5/1 Secondary reference Skf Usa Inc. |
NSN 3110-01-131-0397 is a Bearing,ball,duplex, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-131-0397 has 2 manufacturer part numbers on file: SB1141-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SB1141-102 (Skf Usa Inc.).
Key specifications for SB1141-102: Retainer Fabrication Method: MACHINED; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Style Designator: SHOULDERED INNER RING, NON-SEPARABLE, FACE TO FACE MOUNTING. 13 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.