AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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 | ||||
| 3120-00-045-7287 (3120000457287) | 3110-01-288-6347 (3110012886347) | 3120-00-448-7283 (3120004487283) | 3110-01-285-9244 (3110012859244) | |
| 3120-01-140-7330 (3120011407330) | 3120-01-156-5687 (3120011565687) | 3120-01-494-4653 (3120014944653) | 3120-01-665-2148 (3120016652148) | |
| 3110-01-487-0544 (3110014870544) | 3110-01-498-3678 (3110014983678) | 3120-01-086-4307 (3120010864307) | 3120-01-191-0584 (3120011910584) | |
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