The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-353-7293, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-353-7293 |
| Primary Part Number | 145DS603-4 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Outer Ring Width | 0.7234 INCHES MINIMUM AND 0.7454 INCHES MAXIMUM IN |
| Locating Feature | NONLOCATING |
| Flange Outside Diameter | 6.5840 INCHES MINIMUM AND 6.5844 INCHES MAXIMUM IN |
| Surface Finish | GROUND |
| Style Designator | SHOULDERED OUTER RING W/PULLER GROOVE, S EPARABLE |
| Material Document and Classification | AMS6490 (CEVM -50 STEEL) MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 5.7083 INCHES MINIMUM AND 5.7087 INCHES MAXIMUM IN |
| Bore Shape | NONSTANDARD TAPER |
| Flange Width | 0.1150 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN |
| Bore Diameter | 4.4095 INCHES MINIMUM AND 4.4100 INCHES MAXIMUM IN |
| Material | STEEL COMP M50 OVERALL |
| Inner Ring Width | 0.7234 INCHES MINIMUM AND 0.7454 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 145DS603-4 PRIMARY | Skf Usa Inc. (USA) |
| 145DS603-4 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| R1921EX7 | 5/9 Secondary reference Skf Usa Inc. |
NSN 3110-01-353-7293 is a Bearing,roller,cylindrical, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-353-7293 has 2 manufacturer part numbers on file: 145DS603-4 (Skf Usa Inc.), 145DS603-4 (The Boeing Company).
Key specifications for 145DS603-4: Outer Ring Width: 0.7234 INCHES MINIMUM AND 0.7454 INCHES MAXIMUM IN; Locating Feature: NONLOCATING; Flange Outside Diameter: 6.5840 INCHES MINIMUM AND 6.5844 INCHES MAXIMUM IN; Surface Finish: GROUND. 12 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.
NSN 3110-01-353-7293 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.