The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-923-7263, 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 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-923-7263 |
| Primary Part Number | SB1071-1 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Preload Rating | 20.0 POUNDS NOMINAL LBS |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Overall Outside Diameter | 4.1338 INCHES NOMINAL IN |
| Load Direction | ANGULAR |
| Standard Tolerance Designation | ABEC NO.3 |
| Bore Diameter | 2.9527 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 Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| SB1071-1 PRIMARY | Skf Usa Inc. (USA) |
| SB1071-1 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 1915D400B | 5/1 Secondary reference Skf Usa Inc. |
| 458653 | 5/9 Secondary reference Skf Usa Inc. |
| 2M9315WO2CRDBRE8774 | 5/9 Secondary reference Timken Co Div the Timken Company |
| 2M9315W02CRDBE8774 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-923-7263 is a Bearing,ball,duplex, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-923-7263 has 2 manufacturer part numbers on file: SB1071-1 (Skf Usa Inc.), SB1071-1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-193-0765, 6625-01-308-1107. Verify interchangeability with system specifications before substitution.
Key specifications for SB1071-1: Retainer Fabrication Method: MACHINED; Bearing Preload Rating: 20.0 POUNDS NOMINAL LBS; Surface Finish: GROUND; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING. 12 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 3110-00-923-7263 has DEMIL Code Q. 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.