The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-199-3452, 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 11 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 | 3110-01-199-3452 |
| Primary Part Number | LM300849 AND LM300811 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Cup Width | 13.5 MILLIMETERS NOMINAL MM |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 68.0 MILLIMETERS MAXIMUM MM |
| Backface Corner Radius | 1.5 MILLIMETERS MAXIMUM MM |
| Standout Width | 4.0 MILLIMETERS NOMINAL MM |
| Alignment Type | RIGID |
| Cone Width | 18.0 MILLIMETERS NOMINAL MM |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 41.0 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 743-620254 | Doall Baltimore Company (USA) |
| LM300849 AND LM300811 PRIMARY | The Timken Corporation (USA) |
NSN 3110-01-199-3452 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-199-3452 has 2 manufacturer part numbers on file: 743-620254 (Doall Baltimore Company), LM300849 AND LM300811 (The Timken Corporation).
Key specifications for LM300849 AND LM300811: Retainer Fabrication Method: PRESSED; Cup Width: 13.5 MILLIMETERS NOMINAL MM; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 17.5 MILLIMETERS NOMINAL MM. 11 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.