The Bearing,ball,annular, cataloged under National Stock Number 3110-01-441-1304, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Abb Motors & Mechanical Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-441-1304 |
| Primary Part Number | 416821-56FF |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Abb Motors & Mechanical Inc |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Internal Fit-Up Designation | LOOSE |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 52.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 25.0 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 |
|---|---|
| 416821-56FF PRIMARY | Abb Motors & Mechanical Inc (USA) |
| 416821-6F-F | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| 416821-6F-F PRIMARY | Abb Motors & Mechanical Inc (USA) |
| Reference | Meaning |
|---|---|
| 416821-6F-F | 3/9 Design control — primary reference Reliance Electric |
NSN 3110-01-441-1304 is a Bearing,ball,annular, manufactured by Abb Motors & Mechanical Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-441-1304 has 3 manufacturer part numbers on file: 416821-56FF (Abb Motors & Mechanical Inc), 416821-6F-F (Reliance Electric Company Dba Reliance & Dodge Brands), 416821-6F-F (Abb Motors & Mechanical Inc).
Key specifications for 416821-56FF: Bearing Seal Type: CONTACT; 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.