AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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 | Timken Corporation, Isometrics Inc |
| 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 |
| Relevant Components for NSN - 3130-01-277-0389, 3130012770389 | ||||
| 3120-01-019-8846 (3120010198846) | 3120-01-387-7443 (3120013877443) | 3110-01-125-0450 (3110011250450) | 3120-01-208-8107 (3120012088107) | |
| 3120-01-423-1661 (3120014231661) | 3120-01-078-6178 (3120010786178) | 3120-01-412-5397 (3120014125397) | 3110-01-308-1082 (3110013081082) | |
| 3120-00-662-6667 (3120006626667) | 3120-01-559-4784 (3120015594784) | 3110-00-971-5941 (3110009715941) | 3120-01-180-8658 (3120011808658) | |
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