The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-083-7742, 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 10 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-083-7742 |
| Primary Part Number | 29590-29521 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Cup Width | 0.7500 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 4.3307 INCHES MINIMUM AND 4.3317 INCHES MAXIMUM IN |
| Backface Corner Radius | 0.0500 INCHES NOMINAL IN |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Standout Width | 0.2500 INCHES NOMINAL IN |
| Cone Width | 1.0000 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 2.6250 INCHES MINIMUM AND 2.6255 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| K-29590/K-29521 | Skf Gmbh (DEU) |
| K29590-29521 | Schaeffler Aerospace Germany Gmbh & Co. Kg (DEU) |
| 13-0238-10 | Iss International Spares Services Gmbh (DEU) |
| 04052333000147 | Iss International Spares Services Gmbh (DEU) |
| 29590-29521 PRIMARY | The Timken Corporation (USA) |
NSN 3110-01-083-7742 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-083-7742 has 5 manufacturer part numbers on file: K-29590/K-29521 (Skf Gmbh), K29590-29521 (Schaeffler Aerospace Germany Gmbh & Co. Kg), 13-0238-10 (Iss International Spares Services Gmbh), 04052333000147 (Iss International Spares Services Gmbh), 29590-29521 (The Timken Corporation).
Key specifications for 29590-29521: Cup Width: 0.7500 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 1.0000 INCHES NOMINAL IN; Overall Outside Diameter: 4.3307 INCHES MINIMUM AND 4.3317 INCHES MAXIMUM IN. 10 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.