The Bearing,ball,annular, cataloged under National Stock Number 3110-00-227-2249, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 17 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-227-2249 |
| Primary Part Number | 312SFFC |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE |
| Overall Outside Diameter | 130.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 60.0 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL RETAINER |
| Material | STEEL BALL |
| 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 |
|---|---|
| W312PPFS137 | Timken Co Div the Timken Company (USA) |
| 312SFFC PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1JH1778PC19 | 5/9 Secondary reference Westinghouse Electric Corp |
| S3612G99 | 5/1 Secondary reference Fag Bearings Corporation |
| W312PPE4720 | 5/9 Secondary reference Timken Co Div the Timken Company |
| S1449573 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 1JH309PC9 | 5/9 Secondary reference Westinghouse Electric Corp |
| 312SFFCQXA7-6-8N076 | 5/9 Secondary reference Skf Usa Inc. |
| 312SFFCQXA7 | 5/9 Secondary reference Skf Usa Inc. |
| S1449573 | 5/1 Secondary reference Westinghouse Electric Corp |
| 1JH1766PC12 | 5/9 Secondary reference Westinghouse Electric Corp |
NSN 3110-00-227-2249 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-227-2249 has 2 manufacturer part numbers on file: W312PPFS137 (Timken Co Div the Timken Company), 312SFFC (Skf Usa Inc.).
Key specifications for 312SFFC: Retainer Fabrication Method: PRESSED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Internal Fit-Up Designation: STANDARD. 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.