| Item Name | Cup Tapered Roller Bearing |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-143-2980 (001432980) |
| NCB Code | USA (00) |
| Manufacturer | Timken Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKV | OUTSIDE DIAMETER | 4.2500 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 2.1250 INCHES NOMINAL |
| AGWU | BACKFACE CORNER RADIUS | 0.0300 INCHES NOMINAL |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 2 |
| FEAT | SPECIAL FEATURES | OIL HOLES IN OD |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | DOUBLE CUP,NORMAL ANGLE |
| Relevant Components for NSN - 3110-00-143-2980, 3110001432980 | ||||
| 3110-00-156-1900 (3110001561900) | 3120-00-020-8104 (3120000208104) | 3110-01-579-3343 (3110015793343) | 3120-01-206-3305 (3120012063305) | |
| 3110-01-193-0637 (3110011930637) | 3120-00-111-7382 (3120001117382) | 3120-01-220-0277 (3120012200277) | 3110-01-417-1055 (3110014171055) | |
| 3120-01-492-6773 (3120014926773) | 3120-01-529-1872 (3120015291872) | 3110-01-242-6137 (3110012426137) | 3120-01-237-0084 (3120012370084) | |
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