| Item Name | Bearing Unit Ball |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3130 Bearings Mounted |
| National Item Identification Number (NIIN) | 00-490-5050 (004905050) |
| NCB Code | USA (00) |
| Manufacturer | Rexnord Industries Inc, Timken Corporation, Morse Industrial Corp, Stephens Adamson Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABTD | MOUNTING SLOT WIDTH | 0.7500 INCHES NOMINAL |
| ABVG | MOUNTING SLOT LENGTH | 1.2500 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.3750 INCHES NOMINAL |
| ACYB | BASE THICKNESS | 0.7500 INCHES NOMINAL |
| ADFX | CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH | 6.2500 INCHES NOMINAL |
| AFWC | HOUSING HEIGHT | 4.5000 INCHES NOMINAL |
| AFWD | HOUSING LENGTH | 1.6875 INCHES NOMINAL |
| AFWE | HOUSING WIDTH | 8.2500 INCHES NOMINAL |
| AGKL | LUBRICATION FITTING TYPE | HYDRAULIC |
| AGNF | BASE LENGTH | 2.2500 INCHES NOMINAL |
| AGYX | ROLLING ELEMENT GROOVE QUANTITY | 1 |
| AGZA | ALIGNMENT TYPE | SELF-ALIGNING |
| AGZH | INTERNAL FIT-UP DESIGNATION | STANDARD |
| AHZC | ASSEMBLY OVERALL LENGTH | 2.2500 INCHES NOMINAL |
| AKRF | SEAL TYPE | LABYRINTH |
| AMCL | BLOCK TYPE | FIXED |
| ANJS | SHAFT END TYPE | OPEN |
| ANKF | SEAL LOCATION | BOTH ENDS |
| ANKK | LOAD CAPABILITY TYPE | RADIAL |
| ANKP | HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE | 2.3750 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | GROUND ROLLING ELEMENT GROOVE |
| CWGR | LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE | 90.0 DEGREES NOMINAL |
| CWGY | ROTATING ELEMENT LOCKING METHOD | DIRECT |
| CWJW | MOUNTING HOLE TYPE | SLOTTED |
| LBMA | LUBRICATION MATERIAL | GREASE |
| MATT | MATERIAL | IRON CAST HOUSING |
| MATT | MATERIAL | STEEL SEAL AND WOOL SEAL |
| STYL | STYLE DESIGNATOR | PILLOW BLOCK,SOLID |
| Relevant Components for NSN - 3130-00-490-5050, 3130004905050 | ||||
| 3120-01-569-2300 (3120015692300) | 3120-00-264-5901 (3120002645901) | 3120-00-993-1489 (3120009931489) | 3120-01-144-3963 (3120011443963) | |
| 3110-01-329-8593 (3110013298593) | 3120-00-540-7727 (3120005407727) | 3120-00-033-9482 (3120000339482) | 3110-00-198-0412 (3110001980412) | |
| 3130-01-528-6767 (3130015286767) | 3120-01-326-0573 (3120013260573) | 3120-00-594-1048 (3120005941048) | 3110-01-113-7164 (3110011137164) | |
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