The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-01-209-8121, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-209-8121 |
| Primary Part Number | 23184W33W45ABR |
| Item Name | Bearing,roller,self-Aligning |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE |
| Overall Outside Diameter | 700.0 MILLIMETERS NOMINAL MM |
| Features Provided | LUBRICATION HOLE AND LUBRICATION GROOVE |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | RBEC NO.1 |
| Bore Diameter | 420.0 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 |
|---|---|
| 23184W33W45ABR PRIMARY | Timken Co Div the Timken Company (USA) |
| 23184YMW33W45A PRIMARY | Timken Co Div the Timken Company (USA) |
| Reference | Meaning |
|---|---|
| 420SD31W33W45ABR | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| 23184W33W45ABR | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
NSN 3110-01-209-8121 is a Bearing,roller,self-Aligning, manufactured by Timken Co Div the Timken Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-209-8121 has 2 manufacturer part numbers on file: 23184W33W45ABR (Timken Co Div the Timken Company), 23184YMW33W45A (Timken Co Div the Timken Company).
Key specifications for 23184W33W45ABR: Retainer Fabrication Method: MACHINED; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE. 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.