| 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 | Kaydon Ring And Seal Inc, Mpb Corporation, Lockheed Martin Corporation |
| 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 |
| Components Related to NSN - 3110-01-187-1940, 3110011871940 | ||||
| 3120-01-259-9570 (3120012599570) | 3120-01-041-2946 (3120010412946) | 3110-01-343-1021 (3110013431021) | 3120-01-269-6383 (3120012696383) | |
| 3120-00-857-1438 (3120008571438) | 3120-01-120-3337 (3120011203337) | 3120-01-688-3912 (3120016883912) | 3120-01-523-9210 (3120015239210) | |
| 3110-01-328-9196 (3110013289196) | 3120-01-049-7433 (3120010497433) | 3120-01-599-8629 (3120015998629) | 3120-01-560-5104 (3120015605104) | |
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