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) | 01-178-8431 (011788431) |
| NCB Code | USA (01) |
| Manufacturer | Timken Corporation, New England Trawler Equipment Co, Jered Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 1.6250 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 2.1250 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 4.7500 INCHES NOMINAL |
| AFJK | CUBIC MEASURE | 864.000 CUBIC INCHES |
| AGWU | BACKFACE CORNER RADIUS | 0.0300 INCHES NOMINAL |
| AGWV | STANDOUT WIDTH | 0.3750 INCHES NOMINAL |
| AGWW | CONE CORNER RADIUS | 0.1400 INCHES NOMINAL |
| AGWX | CONE WIDTH | 1.6250 INCHES NOMINAL |
| AGWY | CUP WIDTH | 1.2500 INCHES NOMINAL |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 2 |
| CTJS | UNPACKAGED UNIT WEIGHT | 1.0 POUNDS NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | STRAIGHT BORE,NORMAL ANGLE |
| Relevant Components for NSN - 3110-01-178-8431, 3110011788431 | ||||
| 3120-01-114-4519 (3120011144519) | 3120-01-221-5836 (3120012215836) | 3120-99-782-0886 (3120997820886) | 3110-01-104-8172 (3110011048172) | |
| 3110-01-499-4933 (3110014994933) | 3110-00-100-4158 (3110001004158) | 3120-01-497-5823 (3120014975823) | 3110-00-156-8100 (3110001568100) | |
| 3120-01-495-8412 (3120014958412) | 3110-01-586-5540 (3110015865540) | 3110-01-300-2426 (3110013002426) | 3110-00-156-6819 (3110001566819) | |
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