The Bearing Unit,plain, cataloged under National Stock Number 3130-01-644-4849, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-644-4849 |
| Primary Part Number | L225849 ASSEMBLY 902B2 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Assembly Overall Length | 2.2900 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL CARTRIDGE |
| Alignment Type | RIGID |
| Bore Diameter | 5.0000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Housing Length | 2.2600 INCHES NOMINAL IN |
| Housing Diameter | 6.6800 INCHES NOMINAL IN |
| Load Capability Type | RADIAL AND THRUST |
| 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 |
|---|---|
| 3659409 | Oshkosh Defense Llc (USA) |
| L225849 ASSEMBLY 902B2 PRIMARY | The Timken Corporation (USA) |
NSN 3130-01-644-4849 is a Bearing Unit,plain, manufactured by The Timken Corporation, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-644-4849 has 2 manufacturer part numbers on file: 3659409 (Oshkosh Defense Llc), L225849 ASSEMBLY 902B2 (The Timken Corporation).
Key specifications for L225849 ASSEMBLY 902B2: Assembly Overall Length: 2.2900 INCHES NOMINAL IN; Style Designator: CYLINDRICAL CARTRIDGE; Alignment Type: RIGID; Part Name Assigned by Controlling Agency: BEARING ASSY 5.00 X 6.68 X 2.26.TBR SINGLE ASSY AERO 4-8. 8 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.