| Item Name | Bearing Plain Self Aligning |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3120 Bearings Plain Unmounted |
| National Item Identification Number (NIIN) | 00-516-0984 (005160984) |
| NCB Code | USA (00) |
| Part No | Manufacturer | Item Name | QTY | RFQ |
|---|---|---|---|---|
| C521AB20 | rbc bearings incorporated | bearing plain self aligning | Avl | RFQ |
| AB20-9L | rbc bearings incorporated | bearing plain self aligning | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABXV | BORE DIAMETER | 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM |
| AGGF | OUTER MEMBER OUTSIDE DIAMETER | 1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM |
| AGGH | OUTER MEMBER WIDTH | 0.9320 INCHES MINIMUM AND 0.9370 INCHES MAXIMUM |
| AGGJ | INNER MEMBER WIDTH | 1.0880 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 57.0 ROCKWELL C MINIMUM INNER MEMBER AND 60.0 ROCKWELL C MAXIMUM INNER MEMBER |
| CTLM | LUBRICATION FEATURE | GROOVE EXTERNAL OUTER MEMBER |
| CTLM | LUBRICATION FEATURE | GROOVE INTERNAL INNER MEMBER |
| CTLM | LUBRICATION FEATURE | GROOVE INTERNAL OUTER MEMBER |
| CTLM | LUBRICATION FEATURE | PERFORATION INNER MEMBER |
| CTLM | LUBRICATION FEATURE | PERFORATION OUTER RACE MEMBER |
| FEAT | SPECIAL FEATURES | MAGNETIC INSPECT PER MIL-I-6868 OR MIL-I-6866 |
| MATT | MATERIAL | STEEL COMP E52100 OVERALL |
| SFTT | SURFACE TREATMENT | CHROMIUM INNER MEMBER |
| STYL | STYLE DESIGNATOR | WITHOUT INSERT OR LINER |
| 3110-00-001-1937 (3110000011937) | 3110-00-001-1938 (3110000011938) | 3110-00-001-4661 (3110000014661) | 3110-00-001-4662 (3110000014662) |
| 3110-00-001-4665 (3110000014665) | 3110-00-001-4689 (3110000014689) | 3110-00-001-4707 (3110000014707) | 3110-00-001-4722 (3110000014722) |
| 3110-00-001-4748 (3110000014748) | 3110-00-001-4769 (3110000014769) | 3110-00-001-4834 (3110000014834) | 3110-00-001-4852 (3110000014852) |
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