The Bearing,ball,annular, cataloged under National Stock Number 3110-01-245-3629, 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 26 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-245-3629 |
| Primary Part Number | S38HG2 |
| 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 | MACHINED |
| Lubrication Material | GREASE |
| Bearing Preload Rating | 8.0 POUNDS MINIMUM AND 12.0 POUNDS MAXIMUM LBS |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BALL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE INNER RING |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | MIL-P-79,TYPE FBE MIL SPEC SINGLE MATERIAL RESPONSE RETAINER |
| Overall Outside Diameter | 22.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Contact Angle | 9.0 DEGREES MINIMUM AND 19.0 DEGREES MAXIMUM |
| Load Direction | ANGULAR |
| Surface Treatment | PASSIVATE OUTER RING |
| Surface Treatment | PASSIVATE INNER RING |
| Surface Treatment | PASSIVATE BALL |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 8.0 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | COTTON AND PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP 440C BALL |
| Lubrication Material Document and Classification | BEACON 325,CAGEC 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 |
|---|---|
| S38HG2 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| Reference | Meaning |
|---|---|
| SR38831K-58 | 5/1 Secondary reference U.S. Government activity |
| SR38B31K58 | 3/2 Design control — primary reference U.S. Government activity |
| 538HG-2 | 5/1 Secondary reference Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| 11835178 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 3110-01-245-3629 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 3110-01-245-3629 has 1 manufacturer part number on file: S38HG2 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation).
Key specifications for S38HG2: Retainer Fabrication Method: MACHINED; Lubrication Material: GREASE; Bearing Preload Rating: 8.0 POUNDS MINIMUM AND 12.0 POUNDS MAXIMUM LBS; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING. 26 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.