The Bearing,ball,annular, cataloged under National Stock Number 3110-00-137-8979, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-137-8979 |
| Primary Part Number | SFR6SS50-19 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| Status | ACTIVE |
| Lubrication Material | OIL |
| Internal Fit-Up Designation | STANDARD |
| Flange Outside Diameter | 0.9690 INCHES NOMINAL IN |
| Surface Finish | UNGROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Flange Width | 0.0620 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 0.8750 INCHES NOMINAL IN |
| Test Data Document | 99696-3008169-052-101 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 0.3750 INCHES NOMINAL IN |
| Material | STEEL COMP 440C OVERALL |
| Calibration Designator | C |
| Lubrication Material Document and Classification | F44,FSCM 24446 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 |
|---|---|
| SFR6SS50-19 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3008169-052-101 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3110-00-137-8979 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 3110-00-137-8979 has 1 manufacturer part number on file: SFR6SS50-19 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation).
Key specifications for SFR6SS50-19: Lubrication Material: OIL; Internal Fit-Up Designation: STANDARD; Flange Outside Diameter: 0.9690 INCHES NOMINAL IN; Surface Finish: UNGROUND. 17 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.