| Item Name | Bearing Unit Ball |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3130 Bearings Mounted |
| National Item Identification Number (NIIN) | 01-281-3892 (012813892) |
| NCB Code | USA (01) |
| Manufacturer | Timken Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKG | BOLT CIRCLE DIAMETER | 3.0000 INCHES NOMINAL |
| ABKU | FLANGE THICKNESS | 0.4375 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.3906 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| ADGA | OVERALL OUTSIDE DIAMETER | 3.8750 INCHES NOMINAL |
| AFWB | HOUSING DIAMETER | 2.3125 INCHES NOMINAL |
| AFWD | HOUSING LENGTH | 0.8906 INCHES NOMINAL |
| AGKL | LUBRICATION FITTING TYPE | PIPE PLUG |
| AGYX | ROLLING ELEMENT GROOVE QUANTITY | 1 |
| AGZA | ALIGNMENT TYPE | SELF-ALIGNING |
| AGZH | INTERNAL FIT-UP DESIGNATION | STANDARD |
| AHZC | ASSEMBLY OVERALL LENGTH | 1.1875 INCHES NOMINAL |
| AKRF | SEAL TYPE | LABYRINTH |
| AMCL | BLOCK TYPE | FIXED |
| ANJS | SHAFT END TYPE | OPEN |
| ANKF | SEAL LOCATION | BOTH ENDS |
| ANKH | COLLAR LOCATION | ONE END |
| ANKK | LOAD CAPABILITY TYPE | RADIAL |
| CBBL | FEATURES PROVIDED | GROUND ROLLING ELEMENT GROOVE |
| CWGR | LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE | 45.0 DEGREES NOMINAL |
| CWGY | ROTATING ELEMENT LOCKING METHOD | SETSCREW LOCKING COLLAR |
| CWJW | MOUNTING HOLE TYPE | ROUND,UNTHREADED |
| MATT | MATERIAL | IRON CAST HOUSING |
| MATT | MATERIAL | STEEL SEAL |
| STYL | STYLE DESIGNATOR | FLANGE BLOCK |
| Components Related to NSN - 3130-01-281-3892, 3130012813892 | ||||
| 3120-01-288-5692 (3120012885692) | 3120-00-400-5487 (3120004005487) | 3120-00-071-5417 (3120000715417) | 3130-01-678-4047 (3130016784047) | |
| 3120-01-297-1300 (3120012971300) | 3120-00-630-4148 (3120006304148) | 3120-00-851-4483 (3120008514483) | 3120-00-051-7210 (3120000517210) | |
| 3120-00-902-4926 (3120009024926) | 3110-01-248-0730 (3110012480730) | 3120-00-940-9976 (3120009409976) | 3120-00-454-0386 (3120004540386) | |
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