| Item Name | Bearing Unit Ball |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3130 Bearings Mounted |
| National Item Identification Number (NIIN) | 01-277-0389 (012770389) |
| NCB Code | USA (01) |
| Manufacturer | Isometrics Inc, Timken Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKG | BOLT CIRCLE DIAMETER | 3.8906 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.4688 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.0000 INCHES NOMINAL |
| AFWB | HOUSING DIAMETER | 2.7500 INCHES NOMINAL |
| AGKL | LUBRICATION FITTING TYPE | HYDRAULIC |
| AHZC | ASSEMBLY OVERALL LENGTH | 1.1719 INCHES NOMINAL |
| CWGR | LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE | 45.0 DEGREES NOMINAL |
| CWJW | MOUNTING HOLE TYPE | ROUND,UNTHREADED |
| Components Related to NSN - 3130-01-277-0389, 3130012770389 | ||||
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| 3120-01-567-2473 (3120015672473) | 3120-00-317-3639 (3120003173639) | 3120-01-369-1349 (3120013691349) | 3120-00-740-3522 (3120007403522) | |
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