The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-245-4141, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-245-4141 |
| Primary Part Number | LM12749 AND LM12710 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Cup Width | 0.4750 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 1.7810 INCHES NOMINAL IN |
| Backface Corner Radius | 0.0500 INCHES NOMINAL IN |
| Cone Corner Radius | 0.0500 INCHES NOMINAL IN |
| Standout Width | 0.1350 INCHES NOMINAL IN |
| Cone Width | 0.6550 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 0.8653 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 |
|---|---|
| LM12749 AND LM12710 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 704954 | 5/9 Secondary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
NSN 3110-01-245-4141 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-245-4141 has 1 manufacturer part number on file: LM12749 AND LM12710 (The Timken Corporation).
Key specifications for LM12749 AND LM12710: Retainer Fabrication Method: PRESSED; Cup Width: 0.4750 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 0.6100 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.