The Bearing,ball,annular, cataloged under National Stock Number 3110-01-193-2473, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Precision Division. Government technical data includes 15 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-193-2473 |
| Primary Part Number | SSRF-4ZZRA3P25LG49 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | New Hampshire Ball Bearings Inc Div Precision Division |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Lubrication Material | GREASE |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN |
| Flange Outside Diameter | 0.6900 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Flange Width | 0.0420 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 0.6250 INCHES NOMINAL IN |
| Standard Tolerance Designation | ABEC NO.3 |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Material | STEEL COMP 440C OVERALL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC 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 |
|---|---|
| SSRF-4ZZRA3P25LG49 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| 10077C111 | Lockheed Martin Corp (USA) |
| Reference | Meaning |
|---|---|
| SFR43PPDK25 | 5/9 Secondary reference U.S. Government activity |
| SR4FRHH5P25 | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
| 10077C111 | 5/9 Secondary reference U.S. Government activity |
| 10077C111 | 3/2 Design control — primary reference U.S. Government activity |
| SSRF422RA3P25 | 5/1 Secondary reference U.S. Government activity |
| 10077C111 | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
| SSRF4ZZRA7P25 | 5/9 Secondary reference U.S. Government activity |
| RKF8020X48A3-5/12 | 5/9 Secondary reference Landis and Gyr Inc |
| SR4FRHH3P25 | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
NSN 3110-01-193-2473 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-193-2473 has 2 manufacturer part numbers on file: SSRF-4ZZRA3P25LG49 (New Hampshire Ball Bearings Inc Div Precision Division), 10077C111 (Lockheed Martin Corp).
Key specifications for SSRF-4ZZRA3P25LG49: Retainer Fabrication Method: MACHINED; Lubrication Material: GREASE; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN; Flange Outside Diameter: 0.6900 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.