The Bearing,ball,annular, cataloged under National Stock Number 3110-00-445-9977, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-445-9977 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | OIL |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN |
| Flange Outside Diameter | 0.2960 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Flange Width | 0.0310 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 0.2500 INCHES NOMINAL IN |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 0.1250 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Lubrication Material Document and Classification | F50,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 |
| Reference | Meaning |
|---|---|
| S418FCHHP25LY5ABEC7 | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
| MIL-B-81793/8 | 4/1 Identification reference U.S. Government activity |
| SFR144PPK25-26 | 5/1 Secondary reference U.S. Government activity |
| 309-0784-000 | 5/1 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| M81793/08-FB1C2N1J1 | 2/2 Government specification standardization U.S. Government activity |
| SFR144SS25-0-17 | 5/1 Secondary reference Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| SSRIF418ZZRA7P25LY5 | 5/1 Secondary reference U.S. Government activity |
NSN 3110-00-445-9977 is a Bearing,ball,annular, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-00-445-9977: Retainer Fabrication Method: PRESSED; Lubrication Material: OIL; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN; Flange Outside Diameter: 0.2960 INCHES NOMINAL IN. 15 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.