The Bearing,ball,annular, cataloged under National Stock Number 3110-01-291-2275, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-291-2275 |
| Primary Part Number | 416821053M |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Internal Fit-Up Designation | LOOSE |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 100.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Alignment Type | RIGID |
| Standard Tolerance Designation | ABEC NO.1 |
| 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 |
|---|---|
| 416821053M PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| 55BC02X30X26 PRIMARY | Anti-Friction Bearing Mfg Assn Inc the (USA) |
| Reference | Meaning |
|---|---|
| 416821-3M | 5/9 Secondary reference Reliance Electric |
| 416821-53M | 5/9 Secondary reference Reliance Electric |
NSN 3110-01-291-2275 is a Bearing,ball,annular, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-291-2275 has 2 manufacturer part numbers on file: 416821053M (Reliance Electric Company Dba Reliance & Dodge Brands), 55BC02X30X26 (Anti-Friction Bearing Mfg Assn Inc the).
Key specifications for 416821053M: Retainer Fabrication Method: PRESSED; Internal Fit-Up Designation: LOOSE; Surface Finish: GROUND; Style Designator: NON-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.