The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-932-5330, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-932-5330 |
| Primary Part Number | 45290-45220CLASS3 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | STAMPED |
| Lubrication Material | LUBRICANT |
| Cup Width | 0.9370 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 4.1250 INCHES MINIMUM AND 4.1251 INCHES MAXIMUM IN |
| Backface Corner Radius | 0.1250 INCHES NOMINAL IN |
| Cone Corner Radius | 0.0930 INCHES NOMINAL IN |
| Standout Width | 0.2500 INCHES NOMINAL IN |
| Cone Width | 1.2188 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 3 |
| Bore Diameter | 2.2500 INCHES MINIMUM AND 2.2505 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 |
|---|---|
| 45290-45220CLASS3 PRIMARY | The Timken Corporation (USA) |
| 45290-45290 CLASS 3 PRIMARY | Ntn Bearing Corporation of America (USA) |
| Reference | Meaning |
|---|---|
| 2523796 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 3110-00-932-5330 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-932-5330 has 2 manufacturer part numbers on file: 45290-45220CLASS3 (The Timken Corporation), 45290-45290 CLASS 3 (Ntn Bearing Corporation of America).
1 possible match (shared part number, not a government interchangeability claim): 1560-01-156-5902. Verify interchangeability with system specifications before substitution.
Key specifications for 45290-45220CLASS3: Retainer Fabrication Method: STAMPED; Lubrication Material: LUBRICANT; Cup Width: 0.9370 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE. 12 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.