| Item Name | Bearing Roller Need |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 01-256-9277 (012569277) |
| NCB Code | USA (01) |
| Manufacturer | Military Specifications, Military Standards Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| MIL-B-3990 | military specifications | bearing roller need | 81349 | RFQ |
| MS21438-108 | military standards corp | bearing roller need | 96906 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABXV | BORE DIAMETER | 0.4993 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| ADGA | OVERALL OUTSIDE DIAMETER | 1.3115 INCHES MINIMUM AND 1.3135 INCHES MAXIMUM |
| AGVT | OUTER RING WIDTH | 0.4850 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| AGVU | INNER RING WIDTH | 0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM |
| AGWG | CROWN RADIUS | 10.0000 INCHES NOMINAL |
| AGYE | SURFACE FINISH | GROUND |
| AGYJ | SEAL QUANTITY | 2 |
| AGYW | BEARING SEAL TYPE | CONTACT |
| AGZA | ALIGNMENT TYPE | SELF-ALIGNING |
| AHAW | SELF-ALIGNMENT LOCATION | EXTERNAL |
| CBBL | FEATURES PROVIDED | LUBRICATION HOLE AND LUBRICATION GROOVE |
| LBMA | LUBRICATION MATERIAL | GREASE |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATT | MATERIAL | PLASTIC ACETAL OR PLASTIC POLYHEXAMETHYLENE ADIPAMIDE SEAL |
| MATT | MATERIAL | STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100 OR STEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 INNER RING |
| MATT | MATERIAL | STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100 OR STEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 OUTER RING |
| MATT | MATERIAL | STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100 OR STEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 RETAINING PLATE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | L-P-392 FED SPEC 1ST MATERIAL RESPONSE OR L-P-410,TY 6/6 FED SPEC 2ND MATERIAL RESPONSE SEAL |
| SFTT | SURFACE TREATMENT | CADMIUM OR OXIDE INNER RING |
| SFTT | SURFACE TREATMENT | CADMIUM OR OXIDE RETAINING PLATE |
| SFTT | SURFACE TREATMENT | CHROMIUM OUTER RING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-13924 MIL SPEC 2ND TREATMENT RESPONSE INNER RING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-13924 MIL SPEC 2ND TREATMENT RESPONSE RETAINING PLATE |
| STYL | STYLE DESIGNATOR | TRACK ROLLER |
| Relevant Components for NSN - 3110-01-256-9277, 3110012569277 | ||||
| 3110-01-152-8152 (3110011528152) | 3120-01-185-8740 (3120011858740) | 3120-00-661-4351 (3120006614351) | 3120-00-518-6871 (3120005186871) | |
| 3110-00-168-1471 (3110001681471) | 3110-01-354-4581 (3110013544581) | 3120-01-680-4661 (3120016804661) | 3120-01-518-6652 (3120015186652) | |
| 3120-00-382-2710 (3120003822710) | 3120-00-529-8687 (3120005298687) | 3110-01-143-1798 (3110011431798) | 3110-01-500-2447 (3110015002447) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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