AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bearing Ball Duplex |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-156-6849 (001566849) |
| NCB Code | USA (00) |
| Manufacturer | General Motors Corp, Timken Corporation, Federal Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 20409DU | general motors corp | bearing ball duplex | RFQ |
| 7409WDU | timken corporation | bearing ball duplex | RFQ |
| 7409WDUL | timken corporation | bearing ball duplex | RFQ |
| 7409WSU | timken corporation | bearing ball duplex | RFQ |
| 20409DT | general motors corp | bearing ball duplex | RFQ |
| FF-B-171 | federal specifications | bearing ball duplex | RFQ |
| H20409DTL1A | general motors corp | bearing ball duplex | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 29.0 MILLIMETERS NOMINAL |
| ABXV | BORE DIAMETER | 45.00 MILLIMETERS NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 120.00 MILLIMETERS NOMINAL |
| AGYE | SURFACE FINISH | GROUND |
| AGYF | RETAINER FABRICATION METHOD | PRESSED |
| AGZC | LOAD DIRECTION | ANGULAR |
| CTFZ | STANDARD TOLERANCE DESIGNATION | ABEC NO.1 |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | UNIVERSAL GROUND FACES,COUNTERBORED OUTER RING,NON-SEPARABLE |
| Relevant Components for NSN - 3110-00-156-6849, 3110001566849 | ||||
| 3110-00-003-9270 (3110000039270) | 3120-00-948-5325 (3120009485325) | 3120-01-281-8447 (3120012818447) | 3120-00-432-7549 (3120004327549) | |
| 3120-12-347-5626 (3120123475626) | 3120-00-190-4518 (3120001904518) | 3110-01-606-7510 (3110016067510) | 3110-01-400-6136 (3110014006136) | |
| 3110-00-100-3617 (3110001003617) | 3120-00-174-6371 (3120001746371) | 3110-01-556-1019 (3110015561019) | 3120-01-104-8486 (3120011048486) | |
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