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) | 01-183-8374 (011838374) |
| NCB Code | USA (01) |
| Manufacturer | Timken Corporation, Military Specifications, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 18690-18620 | timken corporation | bearing roller tapered | RFQ |
| FFB187/01-299 | military specifications | bearing roller tapered | RFQ |
| 18690 AND 18620 | timken corporation | bearing roller tapered | RFQ |
| MS19081-197 | military standards corp | bearing roller tapered | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 0.6875 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.8125 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 3.1250 INCHES NOMINAL |
| AGWU | BACKFACE CORNER RADIUS | 0.0620 INCHES NOMINAL |
| AGWV | STANDOUT WIDTH | 0.1562 INCHES NOMINAL |
| AGWW | CONE CORNER RADIUS | 0.1090 INCHES NOMINAL |
| AGWX | CONE WIDTH | 0.6875 INCHES NOMINAL |
| AGWY | CUP WIDTH | 0.5313 INCHES NOMINAL |
| LBMA | LUBRICATION MATERIAL | OIL LUBRICATING |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | F-B-187 FED SPEC 5TH MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | STRAIGHT BORE,NORMAL ANGLE |
| Relevant Components for NSN - 3110-01-183-8374, 3110011838374 | ||||
| 3120-01-019-8846 (3120010198846) | 3120-01-387-7443 (3120013877443) | 3110-01-125-0450 (3110011250450) | 3120-01-208-8107 (3120012088107) | |
| 3120-01-423-1661 (3120014231661) | 3120-01-078-6178 (3120010786178) | 3120-01-412-5397 (3120014125397) | 3110-01-308-1082 (3110013081082) | |
| 3120-00-662-6667 (3120006626667) | 3120-01-559-4784 (3120015594784) | 3110-00-971-5941 (3110009715941) | 3120-01-180-8658 (3120011808658) | |
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