NSN 3110-01-256-9277
Part Details | NEEDLE ROLLER BEARING
3110-01-256-9277 A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.
Alternate Parts: MILB3990, MIL-B-3990, MS21438108, MS21438-108, 3110-01-256-9277, 01-256-9277, 3110012569277, 012569277
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | JUN 10, 1987 | 01-256-9277 | 00051 ( BEARING, ROLLER, NEEDLE ) |
REFERENCE DRAWINGS & PICTURES
TRACK ROLLER
Cross Reference | NSN 3110-01-256-9277
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MIL-B-3990 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MS21438-108 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
Technical Data | NSN 3110-01-256-9277
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | TRACK ROLLER |
| BORE DIAMETER | 0.4993 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| OVERALL OUTSIDE DIAMETER | 1.3115 INCHES MINIMUM AND 1.3135 INCHES MAXIMUM |
| OUTER RING WIDTH | 0.4850 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| INNER RING WIDTH | 0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM |
| CROWN RADIUS | 10.0000 INCHES NOMINAL |
| LUBRICATION MATERIAL | GREASE |
| LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| SURFACE FINISH | GROUND |
| SEAL QUANTITY | 2 |
| BEARING SEAL TYPE | CONTACT |
| ALIGNMENT TYPE | SELF-ALIGNING |
| SELF-ALIGNMENT LOCATION | EXTERNAL |
| FEATURES PROVIDED | LUBRICATION HOLE AND LUBRICATION GROOVE |