The Bearing,ball,annular, cataloged under National Stock Number 3110-01-044-5255, 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 11 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-044-5255 |
| Primary Part Number | SR2BX309CV11G2 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | MOLDED |
| Lubrication Material | GREASE |
| Surface Finish | GROUND |
| Style Designator | SHOULDERED INNER RING, SEPARABLE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 0.3750 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Bore Diameter | 0.1250 INCHES NOMINAL IN |
| Material | STEEL COMP 440A OVERALL A |
| Lubrication Material Document and Classification | BEACON 325,FSCM 29700 MFR REF 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 |
|---|---|
| SR2BX309CV11G2 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| 032732 | Diehl Defence Gmbh & Co. Kg (DEU) |
NSN 3110-01-044-5255 is a Bearing,ball,annular, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-044-5255 has 2 manufacturer part numbers on file: SR2BX309CV11G2 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), 032732 (Diehl Defence Gmbh & Co. Kg).
1 possible match (shared part number, not a government interchangeability claim): 6545-01-516-4441. Verify interchangeability with system specifications before substitution.
Key specifications for SR2BX309CV11G2: Retainer Fabrication Method: MOLDED; Lubrication Material: GREASE; Surface Finish: GROUND; Style Designator: SHOULDERED INNER RING, SEPARABLE. 11 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.