The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-787-4546, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-787-4546 |
| Primary Part Number | SR4SSDF2G2 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Preload Rating | 2.0 POUNDS NOMINAL LBS |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.7 |
| Material | GREASE LUBRICATION |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 752-3989 | Lockheed Martin Corporation Div Rms (USA) |
| SR4SSDF2G2 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| Reference | Meaning |
|---|---|
| SR4SSDF2G2 | 5/9 Secondary reference Northern Telecom Inc Telecom Distribution Div |
| 752-3989 | 5/9 Secondary reference Northern Telecom Inc Telecom Distribution Div |
NSN 3110-00-787-4546 is a Bearing,ball,duplex, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-787-4546 has 2 manufacturer part numbers on file: 752-3989 (Lockheed Martin Corporation Div Rms), SR4SSDF2G2 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation).
Key specifications for SR4SSDF2G2: Retainer Fabrication Method: PRESSED; Bearing Preload Rating: 2.0 POUNDS NOMINAL LBS; Surface Finish: GROUND; Shield Quantity: 2. 8 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.