The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-360-3134, 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 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-360-3134 |
| Primary Part Number | LM921810 AND LM921845 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Cup Width | 0.7500 INCHES NOMINAL0.7500 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLESTRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 7.0000 INCHES NOMINAL7.0000 INCHES NOMINAL IN |
| Backface Corner Radius | 0.1300 INCHES NOMINAL0.1300 INCHES NOMINAL IN |
| Cone Corner Radius | 0.1300 INCHES NOMINAL0.1300 INCHES NOMINAL IN |
| Standout Width | 0.6250 INCHES NOMINAL0.6250 INCHES NOMINAL IN |
| Cone Width | 1.2500 INCHES NOMINAL1.2500 INCHES NOMINAL IN |
| Bore Diameter | 4.0000 INCHES NOMINAL4.0000 INCHES NOMINAL IN |
| 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 |
|---|---|
| LM921810 AND LM921845 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 57417248 | 5/9 Secondary reference Epiroc Drilling Solutions Llc |
| LM921810/LM921845 | 5/9 Secondary reference The Timken Corporation |
| 855002P0269 | 5/9 Secondary reference Atlas Copco |
NSN 3110-01-360-3134 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-360-3134 has 1 manufacturer part number on file: LM921810 AND LM921845 (The Timken Corporation).
Key specifications for LM921810 AND LM921845: Cup Width: 0.7500 INCHES NOMINAL0.7500 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLESTRAIGHT BORE, NORMAL ANGLE; Overall Width: 1.3750 INCHES NOMINAL1.3750 INCHES NOMINAL IN; Overall Outside Diameter: 7.0000 INCHES NOMINAL7.0000 INCHES NOMINAL IN. 8 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.