The Bearing,roller,needle, cataloged under National Stock Number 3110-01-282-7552, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Schaeffler Group Usa Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-282-7552 |
| Primary Part Number | NA4840 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Schaeffler Group Usa Inc |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | LUBRICANT |
| Surface Finish | GROUND |
| Style Designator | SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND |
| Material Document and Classification | ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Overall Outside Diameter | 250.0 MILLIMETERS NOMINAL MM |
| Alignment Type | RIGID |
| Standard Tolerance Designation | RBEC NO.1 |
| Bore Diameter | 200.0 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP E52100 ROLLER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Material | STEEL COMP 1018 RETAINER |
| 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 |
|---|---|
| NA4840 PRIMARY | Schaeffler Group Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 2907772-2 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| NA4840 | 3/9 Design control — primary reference Ina Bearing Co Inc |
NSN 3110-01-282-7552 is a Bearing,roller,needle, manufactured by Schaeffler Group Usa Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-282-7552 has 1 manufacturer part number on file: NA4840 (Schaeffler Group Usa Inc).
Key specifications for NA4840: Retainer Fabrication Method: PRESSED; Lubrication Material: LUBRICANT; Surface Finish: GROUND; Style Designator: SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND. 13 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.