| Item Name | Bearing Roller Tapered |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-227-2558 (002272558) |
| NCB Code | USA (00) |
| Manufacturer | Doall Baltimore Company, Timken Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 0.7874 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.9685 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 3.5433 INCHES NOMINAL |
| AGWU | BACKFACE CORNER RADIUS | 0.0780 INCHES NOMINAL |
| AGWV | STANDOUT WIDTH | 0.1624 INCHES NOMINAL |
| AGWW | CONE CORNER RADIUS | 0.0930 INCHES NOMINAL |
| AGWX | CONE WIDTH | 0.8750 INCHES NOMINAL |
| AGWY | CUP WIDTH | 0.6250 INCHES NOMINAL |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 2 |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | STRAIGHT BORE,NORMAL ANGLE |
| Components Related to NSN - 3110-00-227-2558, 3110002272558 | ||||
| 3120-01-131-7640 (3120011317640) | 3110-01-166-8143 (3110011668143) | 3110-01-585-1068 (3110015851068) | 3120-01-208-1623 (3120012081623) | |
| 3120-00-993-4299 (3120009934299) | 3120-00-401-6084 (3120004016084) | 3110-01-537-0879 (3110015370879) | 3120-00-989-0036 (3120009890036) | |
| 3120-01-494-5426 (3120014945426) | 3120-00-080-9411 (3120000809411) | 3110-00-293-8389 (3110002938389) | 3110-00-227-3199 (3110002273199) | |
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