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) | 00-198-1478 (001981478) |
| NCB Code | USA (00) |
| Manufacturer | Timken Corporation, Navistar Intl Corp, Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 0.6875 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.7500 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 3.1250 INCHES NOMINAL |
| AGWU | BACKFACE CORNER RADIUS | 0.0620 INCHES NOMINAL |
| AGWV | STANDOUT WIDTH | 0.1562 INCHES NOMINAL |
| AGWW | CONE CORNER RADIUS | 0.1090 INCHES NOMINAL |
| AGWX | CONE WIDTH | 0.6875 INCHES NOMINAL |
| AGWY | CUP WIDTH | 0.5313 INCHES NOMINAL |
| AGYF | RETAINER FABRICATION METHOD | PRESSED |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 2 |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | STRAIGHT BORE,NORMAL ANGLE |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 751 TYPE |
| Relevant Components for NSN - 3110-00-198-1478, 3110001981478 | ||||
| 3120-01-080-5051 (3120010805051) | 3110-01-328-3515 (3110013283515) | 3120-01-421-3973 (3120014213973) | 3120-01-316-8980 (3120013168980) | |
| 3120-01-373-1478 (3120013731478) | 3110-01-032-6068 (3110010326068) | 3110-00-554-3314 (3110005543314) | 3110-00-100-4152 (3110001004152) | |
| 3120-01-580-7446 (3120015807446) | 3110-00-188-2760 (3110001882760) | 3110-01-101-8385 (3110011018385) | 3120-00-354-1224 (3120003541224) | |
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