Part Details | AIRFRAME BALL BEARING
3110-00-277-8348 A cylindrical item in which the inner or outer ring turns upon row(s) of hardened BALL, BEARING which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes BEARING, BALL, ANNULAR.
Alternate Parts: MS276474, MS27647-4, 10107371, DW4KFS464, DW4K, MS276474, MS27647-4, AS7949, DW4KFS464, DW4KFAFNIR, 3110-00-277-8348, 00-277-8348, 3110002778348, 002778348
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | AUG 08, 1973 | 00-277-8348 | 00041 ( BEARING, BALL, AIRFRAME ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE ROW
Cross Reference | NSN 3110-00-277-8348
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS27647-4 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| 10107371 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| DW4KFS464 | 3NPS1 | RBC AIRCRAFT PRODUCTS, INC. |
| DW4K | 38443 | SKF USA INC.DBA SKF AEROENGINE NORTH AMERICA |
| MS27647-4 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS7949 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| DW4KFS464 | 21335 | TIMKEN COMPANY, THEDIV TIMKEN AEROSPACE |
| DW4KFAFNIR | 21335 | TIMKEN COMPANY, THEDIV TIMKEN AEROSPACE |
Technical Data | NSN 3110-00-277-8348
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | DOUBLE ROW |
| BORE DIAMETER | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM |
| OVERALL OUTSIDE DIAMETER | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM |
| OUTER RING WIDTH | 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM |
| INNER RING WIDTH | 0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM |
| LUBRICATION MATERIAL | GREASE |
| LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| SEAL QUANTITY | 2 |
| BEARING SEAL TYPE | CONTACT |
| LOAD DIRECTION | RADIAL |
| SPECIAL FEATURES | 80 PCT FULL OF GREASE MIL-G-81322,HEAT TREAT RINGS AND BALLS TO ROCKWELL C SCALE 60 TO 66 AND HEAT STABILIZED FOR OPERATION AT 250 DEG F,RADIAL AND LATERAL ECCENTRICITY 0.0010 IN. INNER RING,0.0016 IN. OUTER RING |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BEARING BALL, AIRFRAME, ANTI FRICTION, EXTRA WIDE DOUBLE ROW, INTERMEDIATE DUTY |