The Bearing,ball,annular, cataloged under National Stock Number 3110-01-243-9941, 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 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-243-9941 |
| Primary Part Number | SSR-3LLHA3P25LG4 |
| 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 | PRESSED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE BALL |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE INNER RACE |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OUTER RACE |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE RETAINER |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE INNER RACE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE |
| Overall Outside Diameter | 0.5000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Alignment Type | RIGID |
| Surface Treatment | PASSIVATE RETAINER |
| Surface Treatment | PASSIVATE BALL |
| Surface Treatment | PASSIVATE INNER RACE |
| Surface Treatment | PASSIVATE OUTER RACE |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.3 |
| Bore Diameter | 0.1875 INCHES NOMINAL IN |
| Material | STEEL COMP 440C BALL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE AND GLASS SEAL |
| Material | STEEL COMP 440C INNER RACE |
| Material | STEEL COMP 440C OUTER RACE |
| 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 |
|---|---|
| SSR-3LLHA3P25LG4 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| SR33LL3K25/356 | 5/9 Secondary reference U.S. Government activity |
| 900619-3 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3110-01-243-9941 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 3110-01-243-9941 has 1 manufacturer part number on file: SSR-3LLHA3P25LG4 (New Hampshire Ball Bearings Inc Div Precision Division).
Key specifications for SSR-3LLHA3P25LG4: Retainer Fabrication Method: PRESSED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN. 29 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.