| Item Name | Bearing Roller Tapered |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-100-4479 (001004479) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications, Timken Corporation, Allis Chalmers Corp, Goulds Pumps Inc, Garwood Feller Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| FF-B-187 1 | federal specifications | bearing roller tapered | RFQ |
| 2785-2720 | timken corporation | bearing roller tapered | RFQ |
| FFB187 01 124 | federal specifications | bearing roller tapered | RFQ |
| L837 | allis chalmers corp | bearing roller tapered | RFQ |
| L837 | goulds pumps inc | bearing roller tapered | RFQ |
| 2785-2720 | garwood feller inc | bearing roller tapered | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 0.9375 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.3125 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 3.0000 INCHES NOMINAL |
| AGWU | BACKFACE CORNER RADIUS | 0.1250 INCHES NOMINAL |
| AGWV | STANDOUT WIDTH | 0.1875 INCHES NOMINAL |
| AGWW | CONE CORNER RADIUS | 0.1400 INCHES NOMINAL |
| AGWX | CONE WIDTH | 1.0100 INCHES NOMINAL |
| AGWY | CUP WIDTH | 0.7500 INCHES NOMINAL |
| AGYF | RETAINER FABRICATION METHOD | PRESSED |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 2 |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | STRAIGHT BORE,NORMAL ANGLE |
| Relevant Components for NSN - 3110-00-100-4479, 3110001004479 | ||||
| 3120-01-494-3241 (3120014943241) | 3110-00-307-7377 (3110003077377) | 3110-00-903-6779 (3110009036779) | 3120-00-421-7780 (3120004217780) | |
| 3120-00-887-0410 (3120008870410) | 3120-00-159-7150 (3120001597150) | 3110-01-266-4906 (3110012664906) | 3120-01-380-1647 (3120013801647) | |
| 3120-00-279-0563 (3120002790563) | 3120-01-303-2883 (3120013032883) | 3120-01-459-5160 (3120014595160) | 3130-01-622-9685 (3130016229685) | |
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