AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bearing Roller Tapered |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-198-1838 (001981838) |
| NCB Code | USA (00) |
| Manufacturer | Marathon Le Tourneau Co, Timken Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 2.8750 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 2.1250 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 4.6250 INCHES NOMINAL |
| AGWU | BACKFACE CORNER RADIUS | 0.0310 INCHES NOMINAL |
| AGWV | STANDOUT WIDTH | 0.3750 INCHES NOMINAL |
| AGWW | CONE CORNER RADIUS | 0.1400 INCHES NOMINAL |
| AGWX | CONE WIDTH | 2.8750 INCHES NOMINAL |
| AGWY | CUP WIDTH | 2.1250 INCHES NOMINAL |
| AGYF | RETAINER FABRICATION METHOD | PRESSED |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 2 |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | STRAIGHT BORE,DOUBLE CUP,SINGLE CONES,STEEP ANGLE |
| Relevant Components for NSN - 3110-00-198-1838, 3110001981838 | ||||
| 3120-01-481-3108 (3120014813108) | 3120-01-425-5850 (3120014255850) | 3120-01-419-9976 (3120014199976) | 3110-00-839-9726 (3110008399726) | |
| 3120-01-384-0336 (3120013840336) | 3120-00-967-8122 (3120009678122) | 3110-01-527-5868 (3110015275868) | 3110-01-273-1688 (3110012731688) | |
| 3110-00-085-2998 (3110000852998) | 3110-00-089-1688 (3110000891688) | 3120-00-203-8749 (3120002038749) | 3110-01-171-2404 (3110011712404) | |
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