The Cone,tapered Roller Bearing, cataloged under National Stock Number 3110-01-734-5646, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Company Dba Timken Power Systems Ms. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-734-5646 |
| Primary Part Number | LM503349A |
| Item Name | Cone,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Company Dba Timken Power Systems Ms |
| Status | ACTIVE |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Cone Width | 0.7087 INCHES NOMINAL IN |
| Bore Diameter | 1.8105 INCHES NOMINAL IN |
| Material | STEEL CAGE |
| 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 |
|---|---|
| LM503349A PRIMARY | The Timken Company Dba Timken Power Systems Ms (USA) |
NSN 3110-01-734-5646 is a Cone,tapered Roller Bearing, manufactured by The Timken Company Dba Timken Power Systems Ms, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-734-5646 has 1 manufacturer part number on file: LM503349A (The Timken Company Dba Timken Power Systems Ms).
Key specifications for LM503349A: Style Designator: STRAIGHT BORE, NORMAL ANGLE; Cone Width: 0.7087 INCHES NOMINAL IN; Special Features: STATIC RADIAL RATING,17000.0 LBF; ONE FRONTFACE BACKING DIAMETER,2.01 IN; CONE BACKFACE BACKING DIAMETER,2.24 IN; CAGE-CONE FRONTFACE CLEARANCE,0.09 IN;CAGE-CONE BACKFACE CLEARANCE, 0.02 IN; EFFECTIVE CENTER LOCATION,-0.08 IN IN; Part Name Assigned by Controlling Agency: INNER RING ASSEMBLY. 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.
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.