AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bearing Ball Duplex |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 01-187-1940 (011871940) |
| NCB Code | USA (01) |
| Manufacturer | Lockheed Martin Corporation, Mpb Corporation, Kaydon Ring And Seal Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 0.4700 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 3.9997 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM |
| ADGA | OVERALL OUTSIDE DIAMETER | 4.4997 INCHES MINIMUM AND 4.5000 INCHES MAXIMUM |
| ADZG | LUBRICATION MATERIAL | OIL |
| AGYE | SURFACE FINISH | GROUND |
| AGYF | RETAINER FABRICATION METHOD | PRESSED |
| AGZC | LOAD DIRECTION | ANGULAR |
| CTHQ | BEARING PRELOAD RATING | 30.0 POUNDS NOMINAL |
| CTHY | CONTACT ANGLE | 30.0 DEGREES NOMINAL |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-L-81846 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATT | MATERIAL | PLASTIC PHENOLIC SEPARATOR |
| MATT | MATERIAL | STEEL CORROSION RESISTING BALL |
| MATT | MATERIAL | STEEL CORROSION RESISTING INNER RACE |
| MATT | MATERIAL | STEEL CORROSION RESISTING OUTER RACE |
| STYL | STYLE DESIGNATOR | COUNTERBORED OUTER RINGS,NON-SEPARABLE,BACK TO BACK MOUNTING |
| Relevant Components for NSN - 3110-01-187-1940, 3110011871940 | ||||
| 3110-00-003-9270 (3110000039270) | 3120-00-948-5325 (3120009485325) | 3120-01-281-8447 (3120012818447) | 3120-00-432-7549 (3120004327549) | |
| 3120-12-347-5626 (3120123475626) | 3120-00-190-4518 (3120001904518) | 3110-01-606-7510 (3110016067510) | 3110-01-400-6136 (3110014006136) | |
| 3110-00-100-3617 (3110001003617) | 3120-00-174-6371 (3120001746371) | 3110-01-556-1019 (3110015561019) | 3120-01-104-8486 (3120011048486) | |
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