The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-413-4479, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-413-4479 |
| Primary Part Number | S2105-HDB110 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Overall Outside Diameter | 1.8484 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM IN |
| Contact Angle | 25.0 DEGREES NOMINAL |
| Load Direction | ANGULAR |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 0.9823 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C BALL |
| Material | STEEL COMP 440C INNER RACE |
| Material | STEEL COMP 440C OUTER RACE |
| Material | PLASTIC PHENOLIC SEPARATOR |
| 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 |
|---|---|
| S2105-HDB110 | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| Reference | Meaning |
|---|---|
| SSMER-105SD620DB110KVA5 | 3/2 Design control — primary reference U.S. Government activity |
| 12930834 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 3110-01-413-4479 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 3110-01-413-4479 has 1 manufacturer part number on file: S2105-HDB110 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation).
Key specifications for S2105-HDB110: Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING; Overall Width: 0.9348 INCHES MINIMUM AND 0.9448 INCHES MAXIMUM IN; Overall Outside Diameter: 1.8484 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM IN. 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.