The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-486-4344, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-486-4344 |
| Primary Part Number | HH144642HH144614 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Cup Width | 3.3125 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 15.5000 INCHES NOMINAL IN |
| Backface Corner Radius | 0.2500 INCHES NOMINAL IN |
| Cone Corner Radius | 0.2500 INCHES NOMINAL IN |
| Standout Width | 1.0625 INCHES NOMINAL IN |
| Cone Width | 4.3750 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 7.8750 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 |
|---|---|
| D300992PC43 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| HH144642HH144614 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| D300992PC43 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
NSN 3110-00-486-4344 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-486-4344 has 2 manufacturer part numbers on file: D300992PC43 (Control Flow, Inc. Dba Control Flow Inc), HH144642HH144614 (The Timken Corporation).
Key specifications for HH144642HH144614: Retainer Fabrication Method: PRESSED; Cup Width: 3.3125 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 4.3750 INCHES NOMINAL IN. 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.