| Item Name | Bearing Unit Ball |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3130 Bearings Mounted |
| National Item Identification Number (NIIN) | 00-455-7251 (004557251) |
| NCB Code | USA (00) |
| Manufacturer | Timken Corporation, Caterpillar Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABTB | MOUNTING HOLE DIAMETER | 0.4375 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.7500 INCHES NOMINAL |
| ACYB | BASE THICKNESS | 1.6900 INCHES NOMINAL |
| ADFX | CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH | 3.0000 INCHES NOMINAL |
| AFWC | HOUSING HEIGHT | 2.3750 INCHES NOMINAL |
| AFWE | HOUSING WIDTH | 3.8750 INCHES NOMINAL |
| AGNF | BASE LENGTH | 1.2500 INCHES NOMINAL |
| AGYX | ROLLING ELEMENT GROOVE QUANTITY | 1 |
| AGZA | ALIGNMENT TYPE | SELF-ALIGNING |
| AGZH | INTERNAL FIT-UP DESIGNATION | STANDARD |
| AHZC | ASSEMBLY OVERALL LENGTH | 1.7200 INCHES NOMINAL |
| AKRF | SEAL TYPE | CONTACT |
| AMCL | BLOCK TYPE | FIXED |
| ANJS | SHAFT END TYPE | OPEN |
| ANKF | SEAL LOCATION | BOTH ENDS |
| ANKH | COLLAR LOCATION | ONE END |
| ANKK | LOAD CAPABILITY TYPE | RADIAL AND THRUST |
| ANKP | HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE | 1.1875 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | GROUND ROLLING ELEMENT GROOVE |
| CWGY | ROTATING ELEMENT LOCKING METHOD | ECCENTRIC CAM LOCKING COLLAR |
| CWJW | MOUNTING HOLE TYPE | ROUND,UNTHREADED |
| LBMA | LUBRICATION MATERIAL | GREASE |
| MATT | MATERIAL | IRON CAST HOUSING |
| MATT | MATERIAL | RUBBER SEAL |
| MATT | MATERIAL | STEEL BEARING SURFACE |
| STYL | STYLE DESIGNATOR | PILLOW BLOCK,SOLID |
| Relevant Components for NSN - 3130-00-455-7251, 3130004557251 | ||||
| 3110-00-732-6271 (3110007326271) | 3120-01-452-2929 (3120014522929) | 3110-01-149-5335 (3110011495335) | 3120-00-198-2242 (3120001982242) | |
| 3110-00-911-1478 (3110009111478) | 3120-01-640-6167 (3120016406167) | 3120-01-019-7377 (3120010197377) | 3120-00-799-4940 (3120007994940) | |
| 3110-01-248-9774 (3110012489774) | 3110-01-477-0594 (3110014770594) | 3110-01-270-1130 (3110012701130) | 3120-01-174-2954 (3120011742954) | |
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