The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-445-9960, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-445-9960 |
| Primary Part Number | B-44034 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Fit-Up Designation | STANDARD |
| Locating Feature | ONE DIRECTION |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE |
| Overall Outside Diameter | 90.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | RBEC NO.1 |
| Bore Diameter | 40.0 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | COPPER ALLOY RETAINER |
| Material | STEEL ROLLER |
| 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 |
|---|---|
| B-44034 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| B821050 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
| E820837PC21 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
| NJ308M | C/1 Advisory reference — outside the item-of-supply concept Skf Usa Inc. |
| 821050 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
NSN 3110-00-445-9960 is a Bearing,roller,cylindrical, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-445-9960 has 1 manufacturer part number on file: B-44034 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-626-1115. Verify interchangeability with system specifications before substitution.
Key specifications for B-44034: Retainer Fabrication Method: MACHINED; Internal Fit-Up Designation: STANDARD; Locating Feature: ONE DIRECTION; Surface Finish: 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.