AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
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| Item Name | Cup Tapered Roller Bearing |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 01-136-4140 (011364140) |
| NCB Code | USA (01) |
| Manufacturer | Timken Corporation, Sikorsky Aircraft Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| SB3312-201 | timken corporation | cup tapered roller bearing | RFQ |
| 34478-2-397 | timken corporation | cup tapered roller bearing | RFQ |
| SB3312-201 1 | timken corporation | cup tapered roller bearing | RFQ |
| SB3312-201 | sikorsky aircraft corporation | cup tapered roller bearing | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKV | OUTSIDE DIAMETER | 4.7810 INCHES MINIMUM AND 4.7820 INCHES MAXIMUM |
| ABMK | OVERALL WIDTH | 0.9690 INCHES MINIMUM AND 0.9760 INCHES MAXIMUM |
| AGWU | BACKFACE CORNER RADIUS | 0.0800 INCHES NOMINAL |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 2 |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | NORMAL ANGLE |
| Relevant Components for NSN - 3110-01-136-4140, 3110011364140 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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