| 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 |
| Components Related to NSN - 3110-00-690-3991, 3110006903991 | ||||
| 3120-01-194-7131 (3120011947131) | 3120-01-332-7390 (3120013327390) | 3120-01-460-1742 (3120014601742) | 3120-01-275-1573 (3120012751573) | |
| 3120-00-497-4930 (3120004974930) | 3120-01-376-4189 (3120013764189) | 3110-01-073-4660 (3110010734660) | 3120-00-301-2992 (3120003012992) | |
| 3110-00-962-2268 (3110009622268) | 3120-01-441-0643 (3120014410643) | 3110-01-086-6159 (3110010866159) | 3110-01-278-8330 (3110012788330) | |
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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