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 | ||||
| 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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