| Item Name | Bearing Unit Ball |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3130 Bearings Mounted |
| National Item Identification Number (NIIN) | 01-138-8987 (011388987) |
| NCB Code | USA (01) |
| Manufacturer | Altra Holdings Inc, Whitcraft North Inc, General Dynamics Ots Global Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABXV | BORE DIAMETER | 0.6250 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM |
| ACYB | BASE THICKNESS | 0.5900 INCHES MINIMUM AND 0.6500 INCHES MAXIMUM |
| ADFX | CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH | 4.0000 INCHES NOMINAL |
| AFWC | HOUSING HEIGHT | 2.2200 INCHES MINIMUM AND 2.3400 INCHES MAXIMUM |
| AFWE | HOUSING WIDTH | 5.0000 INCHES MINIMUM AND 5.1200 INCHES MAXIMUM |
| AGNF | BASE LENGTH | 1.4700 INCHES MINIMUM AND 1.5300 INCHES MAXIMUM |
| AGYX | ROLLING ELEMENT GROOVE QUANTITY | 1 |
| AGZA | ALIGNMENT TYPE | SELF-ALIGNING |
| AGZH | INTERNAL FIT-UP DESIGNATION | STANDARD |
| AHZC | ASSEMBLY OVERALL LENGTH | 1.6400 INCHES MINIMUM AND 1.7400 INCHES MAXIMUM |
| AMCL | BLOCK TYPE | FIXED |
| ANJS | SHAFT END TYPE | OPEN |
| ANKK | LOAD CAPABILITY TYPE | RADIAL AND THRUST |
| ANKP | HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE | 1.1830 INCHES MINIMUM AND 1.1880 INCHES MAXIMUM |
| CBBL | FEATURES PROVIDED | GROUND ROLLING ELEMENT GROOVE |
| CWGY | ROTATING ELEMENT LOCKING METHOD | DIRECT |
| MATT | MATERIAL | IRON CAST OVERALL |
| STYL | STYLE DESIGNATOR | PILLOW BLOCK,SOLID |
| Relevant Components for NSN - 3130-01-138-8987, 3130011388987 | ||||
| 3120-01-494-3241 (3120014943241) | 3110-00-307-7377 (3110003077377) | 3110-00-903-6779 (3110009036779) | 3120-00-421-7780 (3120004217780) | |
| 3120-00-887-0410 (3120008870410) | 3120-00-159-7150 (3120001597150) | 3110-01-266-4906 (3110012664906) | 3120-01-380-1647 (3120013801647) | |
| 3120-00-279-0563 (3120002790563) | 3120-01-303-2883 (3120013032883) | 3120-01-459-5160 (3120014595160) | 3130-01-622-9685 (3130016229685) | |
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