| Item Name | Bearing Ball Duplex |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-113-3671 (001133671) |
| NCB Code | USA (00) |
| Manufacturer | New Hampshire Ball Bearings Inc, Kaman Aerospace Corporation, Timken Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| K674389-11 | new hampshire ball bearings inc | bearing ball duplex | 83086 | RFQ |
| K674389-11 | kaman aerospace corporation | bearing ball duplex | 84955 | RFQ |
| K674389-11 | timken corporation | bearing ball duplex | 21335 | RFQ |
| M311-3MBRDT | timken corporation | bearing ball duplex | 21335 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 2.2834 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 2.1634 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 4.7244 INCHES NOMINAL |
| AGYE | SURFACE FINISH | GROUND |
| AGYF | RETAINER FABRICATION METHOD | MACHINED |
| AGZC | LOAD DIRECTION | ANGULAR |
| AKVV | INTERNAL CLEARANCE | 0.0043 INCHES MINIMUM RADIAL AND 0.0054 INCHES MAXIMUM RADIAL |
| CTFZ | STANDARD TOLERANCE DESIGNATION | ABEC NO.5 |
| MATT | MATERIAL | COPPER ALLOY RETAINER |
| MATT | MATERIAL | STEEL BALL |
| MATT | MATERIAL | STEEL INNER RING |
| MATT | MATERIAL | STEEL OUTER RING |
| STYL | STYLE DESIGNATOR | COUNTERBORED OUTER RINGS,NON-SEPARABLE,TANDEM MOUNTING |
| Components Related to NSN - 3110-00-113-3671, 3110001133671 | ||||
| 3120-01-515-6117 (3120015156117) | 3110-01-237-9096 (3110012379096) | 3120-00-628-9471 (3120006289471) | 3110-00-399-3440 (3110003993440) | |
| 3110-01-203-2674 (3110012032674) | 3120-01-090-7223 (3120010907223) | 3110-01-659-9350 (3110016599350) | 3120-01-084-4606 (3120010844606) | |
| 3120-01-294-6774 (3120012946774) | 3120-00-384-1044 (3120003841044) | 3120-01-229-2003 (3120012292003) | 3120-01-443-7115 (3120014437115) | |
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