| Item Name | Bearing Unit Plain |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3130 Bearings Mounted |
| National Item Identification Number (NIIN) | 01-291-2960 (012912960) |
| NCB Code | USA (01) |
| Manufacturer | Reliance Electric Industrial Co, Lufkin Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABXV | BORE DIAMETER | 1.9375 INCHES NOMINAL |
| ACYB | BASE THICKNESS | 1.750 INCHES NOMINAL |
| ADFX | CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH | 5.125 INCHES MINIMUM AND 5.375 INCHES MAXIMUM |
| AFWC | HOUSING HEIGHT | 3.500 INCHES NOMINAL |
| AFWD | HOUSING LENGTH | 3.875 INCHES NOMINAL |
| AFWE | HOUSING WIDTH | 7.000 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | REDUCTION GEAR HSQ2724 |
| AGNF | BASE LENGTH | 3.875 INCHES NOMINAL |
| AGZA | ALIGNMENT TYPE | SELF-ALIGNING |
| ANKK | LOAD CAPABILITY TYPE | THRUST |
| ANKP | HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE | 1.750 INCHES NOMINAL |
| MATT | MATERIAL | STEEL BEARING |
| MATT | MATERIAL | STEEL BEARING SURFACE |
| MATT | MATERIAL | TIN ALLOY HOUSING |
| STYL | STYLE DESIGNATOR | PILLOW BLOCK,SOLID |
| Relevant Components for NSN - 3130-01-291-2960, 3130012912960 | ||||
| 3110-01-211-2805 (3110012112805) | 3120-01-257-6733 (3120012576733) | 3120-00-662-8792 (3120006628792) | 3120-01-556-4188 (3120015564188) | |
| 3110-00-198-0780 (3110001980780) | 3120-01-335-6987 (3120013356987) | 3120-01-251-2000 (3120012512000) | 3110-00-275-0562 (3110002750562) | |
| 3110-00-227-2438 (3110002272438) | 3130-01-253-7332 (3130012537332) | 3110-01-563-7380 (3110015637380) | 3120-01-370-1090 (3120013701090) | |
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