| Item Name | Ring Bearing Inner |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-690-3991 (006903991) |
| NCB Code | USA (00) |
| Manufacturer | Rbc Bearings Incorporated, Helicopter Parts Service Inc, Hiller Aircraft Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 1.0100 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.0000 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 1.2505 INCHES NOMINAL |
| AGYE | SURFACE FINISH | GROUND |
| AGZD | BORE SHAPE | STRAIGHT |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| FEAT | SPECIAL FEATURES | OIL HOLE W/OIL GROOVE IN CENTER OF ID SURFACE,END OF RACE SQ/W OD WITHIN 0.0012 IN.,WALL VARIATION NOT TO EXCEED 0.0005 IN. |
| MATT | MATERIAL | STEEL COMP E52100 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SOLID INNER RACE,JOURNAL AND NEEDLE |
| Relevant Components for NSN - 3110-00-690-3991, 3110006903991 | ||||
| 3110-01-015-6680 (3110010156680) | 3110-01-596-2062 (3110015962062) | 3120-00-990-6202 (3120009906202) | 3120-00-110-8877 (3120001108877) | |
| 3120-00-661-6284 (3120006616284) | 3110-00-417-5207 (3110004175207) | 3120-01-597-9998 (3120015979998) | 3120-01-696-2202 (3120016962202) | |
| 3110-01-290-7903 (3110012907903) | 3110-01-422-9497 (3110014229497) | 3120-01-049-0576 (3120010490576) | 3110-00-081-6307 (3110000816307) | |
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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