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) | 00-439-2572 (004392572) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications, Military Standards Corp, Timken Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| FF-B-187 | federal specifications | bearing roller tapered | RFQ |
| MS19081-104 | military standards corp | bearing roller tapered | RFQ |
| MS19081 | military standards corp | bearing roller tapered | RFQ |
| 29586-29521 | timken corporation | bearing roller tapered | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 1.0000 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 2.5000 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 4.3307 INCHES NOMINAL |
| AGWU | BACKFACE CORNER RADIUS | 0.0460 INCHES NOMINAL |
| AGWV | STANDOUT WIDTH | 0.2500 INCHES NOMINAL |
| AGWW | CONE CORNER RADIUS | 0.0620 INCHES NOMINAL |
| AGWX | CONE WIDTH | 1.0000 INCHES NOMINAL |
| AGWY | CUP WIDTH | 0.7500 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 |
| Relevant Components for NSN - 3110-00-439-2572, 3110004392572 | ||||
| 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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