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) | 01-178-8429 (011788429) |
| NCB Code | USA (01) |
| Manufacturer | Timken Corporation, Westinghouse Electric Corp, Military Specifications, Military Standards Corp, Federal Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 6454-6420 | timken corporation | bearing roller tapered | RFQ |
| 159-A-415-H25 | westinghouse electric corp | bearing roller tapered | RFQ |
| FF-B-187A | military specifications | bearing roller tapered | RFQ |
| MS19081-118 | military standards corp | bearing roller tapered | RFQ |
| FF-B-187 | federal specifications | bearing roller tapered | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 2.1250 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 2.7500 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 5.8750 INCHES NOMINAL |
| AGWU | BACKFACE CORNER RADIUS | 0.1300 INCHES NOMINAL |
| AGWV | STANDOUT WIDTH | 0.3750 INCHES NOMINAL |
| AGWW | CONE CORNER RADIUS | 0.2000 INCHES NOMINAL |
| AGWX | CONE WIDTH | 2.1350 INCHES NOMINAL |
| AGWY | CUP WIDTH | 1.7500 INCHES NOMINAL |
| AGYF | RETAINER FABRICATION METHOD | PRESSED |
| AGZA | ALIGNMENT TYPE | RIGID |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 2 |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | STRAIGHT BORE,NORMAL ANGLE |
| Relevant Components for NSN - 3110-01-178-8429, 3110011788429 | ||||
| 3120-01-301-3949 (3120013013949) | 3120-01-520-3650 (3120015203650) | 3120-01-265-0515 (3120012650515) | 3130-01-420-0655 (3130014200655) | |
| 3120-01-613-4031 (3120016134031) | 3120-00-405-3212 (3120004053212) | 3120-01-651-9224 (3120016519224) | 3110-01-406-7878 (3110014067878) | |
| 3120-01-666-7759 (3120016667759) | 3120-01-530-8054 (3120015308054) | 3120-00-199-7815 (3120001997815) | 3110-01-291-0206 (3110012910206) | |
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