The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-186-5522, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-186-5522 |
| Primary Part Number | 13084019 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Seal Type | LIPS TURNED INWARDLY |
| Bearing Preload Rating | 720.0 POUNDS MINIMUM AND 880.0 POUNDS MAXIMUM LBS |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 9.7493 INCHES MINIMUM AND 9.7500 INCHES MAXIMUM IN |
| Specification/standard Data | 58260-13084019 GOVERNMENT SPECIFICATION |
| Contact Angle | 30.0 DEGREES NOMINAL |
| Load Direction | ANGULAR |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.3 |
| Bore Diameter | 8.9993 INCHES MINIMUM AND 9.0000 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C INNER RING |
| Material | OIL LUBRICATION |
| Material | STEEL COMP 440C OUTER RING |
| Material | RUBBER CHLOROPRENE CLASS CR SEAL |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP 440C BALL |
| Lubrication Material Document and Classification | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 13084019 | Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings (USA) |
| 13084019 PRIMARY | Lockheed Martin Corporation (USA) |
| 13084019 PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
| Reference | Meaning |
|---|---|
| 13240201 | 5/1 Secondary reference Kaydon Corporation Dba Kaydon Corp |
| ML50K-654 | 5/9 Secondary reference Ingersoll-Rand Co Power Tool Div |
| 13084019 | 5/9 Secondary reference Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah |
| 3TARZZ-144-156-4 | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
NSN 3110-01-186-5522 is a Bearing,ball,duplex, manufactured by Lockheed Martin Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-186-5522 has 3 manufacturer part numbers on file: 13084019 (Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings), 13084019 (Lockheed Martin Corporation), 13084019 (Kaydon Corporation Dba Kaydon Corp).
Key specifications for 13084019: Retainer Fabrication Method: MACHINED; Bearing Seal Type: LIPS TURNED INWARDLY; Bearing Preload Rating: 720.0 POUNDS MINIMUM AND 880.0 POUNDS MAXIMUM LBS; Internal Fit-Up Designation: STANDARD. 21 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 3110-01-186-5522 has DEMIL Code Q. 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.