The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-159-9461, 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 5 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through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-159-9461 |
| Primary Part Number | HH221410 |
| Item Name | Cup,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Style Designator | NORMAL ANGLE |
| Outside Diameter | 7.5000 INCHES NOMINAL IN |
| Backface Corner Radius | 0.1250 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| 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 |
|---|---|
| HH221410 | Ntn Bearing Corporation of America (USA) |
| HH221410 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 48 | 5/9 Secondary reference Envirotech Pumpsystems, Inc. Dba Chas S Lewis & Co Div Weir Specialty Pumps |
| 722162 | 5/9 Secondary reference Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co |
| 456471 | 5/9 Secondary reference Euclid Inc |
| 703251 | 5/1 Secondary reference Army Weapons Command Attn Amswe-Ree-S |
| TM9136 | 5/9 Secondary reference U.S. Government activity |
| 3F5920 | 5/1 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 64AX227 | 5/1 Secondary reference U.S. Government activity |
| 393506 | 5/1 Secondary reference Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
| HH221410 CL 4 T | 5/9 Secondary reference The Timken Corporation |
| 11433P11 | 5/1 Secondary reference Taylor Machine Works Inc |
| 456471 | 5/9 Secondary reference U.S. Government activity |
| 722162 | 5/9 Secondary reference American Standard Inc Westinghouse Air Brake Co Div |
| 393506 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 3110-00-159-9461 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-159-9461 has 2 manufacturer part numbers on file: HH221410 (Ntn Bearing Corporation of America), HH221410 (The Timken Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5330-00-310-3582. Verify interchangeability with system specifications before substitution.
Key specifications for HH221410: Style Designator: NORMAL ANGLE; Overall Width: 1.8125 INCHES NOMINAL IN; Outside Diameter: 7.5000 INCHES NOMINAL IN; Backface Corner Radius: 0.1250 INCHES NOMINAL IN. 5 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.