The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-01-391-8136, 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 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-391-8136 |
| Primary Part Number | LM122911XX-2U629 |
| 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 | 6.2500 INCHES NOMINAL IN |
| Backface Corner Radius | 0.1300 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LM122911XX-2U629 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9235611-71 | 1/2 Source control — Government-approved source U.S. Government activity |
| LM122911XX*2-629 | 5/1 Secondary reference The Timken Corporation |
| 9235611-71 | 5/9 Secondary reference The Timken Corporation |
NSN 3110-01-391-8136 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-391-8136 has 1 manufacturer part number on file: LM122911XX-2U629 (The Timken Corporation).
Key specifications for LM122911XX-2U629: Style Designator: NORMAL ANGLE; Overall Width: 1.1875 INCHES NOMINAL IN; Outside Diameter: 6.2500 INCHES NOMINAL IN; Backface Corner Radius: 0.1300 INCHES NOMINAL IN. 4 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.
NSN 3110-01-391-8136 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.