| Item Name | Bearing Roller Tapered |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-100-4238 (001004238) |
| NCB Code | USA (00) |
| Manufacturer | Timken Corporation, Blaw Knox Construction Equipment Co, Military Standards Corp, American Hoist And Derrick Co, Ingersoll Rand Company, Terex American Crane Corp, Federal Specifications, Crosby Group Inc, Dresser Rand Company |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 643632 | timken corporation | bearing roller tapered | RFQ |
| 643-632 | blaw knox construction equipment co | bearing roller tapered | RFQ |
| MS19081-117 | military standards corp | bearing roller tapered | RFQ |
| ASD1508 | american hoist and derrick co | bearing roller tapered | RFQ |
| IR3000B6 | ingersoll rand company | bearing roller tapered | RFQ |
| ASD1508 | terex american crane corp | bearing roller tapered | RFQ |
| 643 632 | timken corporation | bearing roller tapered | RFQ |
| FF-B-187 | federal specifications | bearing roller tapered | RFQ |
| ASD1508 | crosby group inc | bearing roller tapered | RFQ |
| IR3000B6 | dresser rand company | bearing roller tapered | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 1.6250 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 2.7500 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 5.3750 INCHES NOMINAL |
| AGWU | BACKFACE CORNER RADIUS | 0.1250 INCHES NOMINAL |
| AGWV | STANDOUT WIDTH | 0.3750 INCHES NOMINAL |
| AGWW | CONE CORNER RADIUS | 0.1400 INCHES NOMINAL |
| AGWX | CONE WIDTH | 1.6250 INCHES NOMINAL |
| AGWY | CUP WIDTH | 1.2500 INCHES NOMINAL |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 2 |
| MATT | MATERIAL | STEEL COMP 4320 CONE OR STEEL COMP 4620 CONE OR STEEL COMP 8620 CONE OR STEEL COMP E52100 CONE |
| MATT | MATERIAL | STEEL COMP 4320 CUP OR STEEL COMP 4620 CUP OR STEEL COMP 8620 CUP OR STEEL COMP E52100 CUP |
| MATT | MATERIAL | STEEL COMP 4320 ROLLER OR STEEL COMP 4620 ROLLER OR STEEL COMP 8620 ROLLER OR STEEL COMP E52100 ROLLER |
| MATT | MATERIAL | STEEL RETAINER |
| STYL | STYLE DESIGNATOR | STRAIGHT BORE,NORMAL ANGLE |
| Relevant Components for NSN - 3110-00-100-4238, 3110001004238 | ||||
| 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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