| 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 | ||||
| 3120-01-288-5692 (3120012885692) | 3120-00-400-5487 (3120004005487) | 3120-00-071-5417 (3120000715417) | 3130-01-678-4047 (3130016784047) | |
| 3120-01-297-1300 (3120012971300) | 3120-00-630-4148 (3120006304148) | 3120-00-851-4483 (3120008514483) | 3120-00-051-7210 (3120000517210) | |
| 3120-00-902-4926 (3120009024926) | 3110-01-248-0730 (3110012480730) | 3120-00-940-9976 (3120009409976) | 3120-00-454-0386 (3120004540386) | |
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