The Bearing,ball,annular, cataloged under National Stock Number 3110-01-291-5156, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Heidelberg Usa Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-291-5156 |
| Primary Part Number | DIN625 4211-C2 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Heidelberg Usa Inc |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Internal Fit-Up Designation | TIGHT |
| Surface Finish | GROUND |
| Style Designator | LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 100.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Internal Fit-Up Contact Angular Direction | PRIMARILY RADIAL |
| Standard Tolerance Designation | INTERNATIONAL STANDARDS ORGANIZATION STANDARD TOLERANCE |
| Bore Diameter | 55.0 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| DIN625 4211-C2 PRIMARY | Heidelberg Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 00.520.0656 | 5/9 Secondary reference Heidelberg Usa Inc |
| DIN625 4211-C2 | 5/9 Secondary reference Metric and Multistandard Components Corp |
NSN 3110-01-291-5156 is a Bearing,ball,annular, manufactured by Heidelberg Usa Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-291-5156 has 1 manufacturer part number on file: DIN625 4211-C2 (Heidelberg Usa Inc).
Key specifications for DIN625 4211-C2: Retainer Fabrication Method: PRESSED; Internal Fit-Up Designation: TIGHT; Surface Finish: GROUND; Style Designator: LOADING GROOVE, NON-SEPARABLE. 11 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.