The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-171-8145, 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 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-171-8145 |
| Primary Part Number | LM451345-LM451310CD |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Internal Fit-Up Designation | STANDARD |
| Cup Width | 4.0000 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, DOUBLE CUP, SINGLE CONES |
| Overall Outside Diameter | 14.0000 INCHES MINIMUM AND 14.0020 INCHES MAXIMUM IN |
| Backface Corner Radius | 0.0600 INCHES NOMINAL IN |
| Features Provided | LUBRICATION HOLE AND LUBRICATION GROOVE |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Standout Width | 0.5000 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Cone Width | 2.2500 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 10.3750 INCHES MINIMUM AND 10.3760 INCHES MAXIMUM 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 |
|---|---|
| LM451345-LM451310CD PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| C-29159 | 5/9 Secondary reference The Timken Corporation |
| C42096 | 5/1 Secondary reference The Timken Corporation |
| 15S754 PIECE 133 | 5/9 Secondary reference Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
NSN 3110-01-171-8145 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-171-8145 has 1 manufacturer part number on file: LM451345-LM451310CD (The Timken Corporation).
Key specifications for LM451345-LM451310CD: Retainer Fabrication Method: PRESSED; Internal Fit-Up Designation: STANDARD; Cup Width: 4.0000 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES. 14 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.