| 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 | Westinghouse Electric Corp, Timken Corporation, Federal Specifications, Military Specifications, Military Standards Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 159-A-415-H25 | westinghouse electric corp | bearing roller tapered | 88725 | RFQ |
| 6454-6420 | timken corporation | bearing roller tapered | 60038 | RFQ |
| FF-B-187 | federal specifications | bearing roller tapered | 81348 | RFQ |
| FF-B-187A | military specifications | bearing roller tapered | 81349 | RFQ |
| MS19081-118 | military standards corp | bearing roller tapered | 96906 | 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 |
| Components Related to NSN - 3110-01-178-8429, 3110011788429 | ||||
| 3120-01-194-7131 (3120011947131) | 3120-01-332-7390 (3120013327390) | 3120-01-460-1742 (3120014601742) | 3120-01-275-1573 (3120012751573) | |
| 3120-00-497-4930 (3120004974930) | 3120-01-376-4189 (3120013764189) | 3110-01-073-4660 (3110010734660) | 3120-00-301-2992 (3120003012992) | |
| 3110-00-962-2268 (3110009622268) | 3120-01-441-0643 (3120014410643) | 3110-01-086-6159 (3110010866159) | 3110-01-278-8330 (3110012788330) | |
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