The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-151-9522, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-00-151-9522 |
| Primary Part Number | 34300-34479 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Cup Outside Diameter | 4.7812 INCHES NOMINAL IN |
| Cone Corner Radius | 0.0800 INCHES NOMINAL IN |
| Bore Diameter | 3.0000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 34300-34479 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 34300-34479 | 5/9 Secondary reference Federal-Mogul Corp Government Sales Dept |
| DA12450 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 3110-00-151-9522 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-151-9522 has 1 manufacturer part number on file: 34300-34479 (The Timken Corporation).
Key specifications for 34300-34479: Cup Outside Diameter: 4.7812 INCHES NOMINAL IN; Cone Corner Radius: 0.0800 INCHES NOMINAL IN; Bore Diameter: 3.0000 INCHES NOMINAL IN. 3 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.