The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-176-2483, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-176-2483 |
| Primary Part Number | L44600LB ASSEMBLY 90058 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | LIPS TURNED INWARDLY |
| Cup Width | 0.4200 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, SINGLE CUPS, SINGLE CONES CUP AND CONE SPACERS |
| Overall Outside Diameter | 1.9800 INCHES NOMINAL IN |
| Backface Corner Radius | 0.0500 INCHES NOMINAL IN |
| Standout Width | 0.1400 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Cone Width | 0.5800 INCHES NOMINAL IN |
| Seal Quantity | 2 |
| Bore Diameter | 1.0000 INCHES NOMINAL 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 |
|---|---|
| L44600LB ASSEMBLY 90058 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 45031 | 5/9 Secondary reference The Timken Corporation |
| 051225 | 5/9 Secondary reference Big Joe Mfg Co |
NSN 3110-01-176-2483 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-176-2483 has 1 manufacturer part number on file: L44600LB ASSEMBLY 90058 (The Timken Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 6250-01-239-1404, 5306-01-394-0407, 1560-01-646-4196. Verify interchangeability with system specifications before substitution.
Key specifications for L44600LB ASSEMBLY 90058: Retainer Fabrication Method: PRESSED; Bearing Seal Type: LIPS TURNED INWARDLY; Cup Width: 0.4200 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, SINGLE CUPS, SINGLE CONES CUP AND CONE SPACERS. 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.