Part Details | AIRFRAME BALL BEARING
3110-00-027-8143 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: KP20AFS464, MS2764120, MS27641-20, AT25101D, AT25-101D, KP20A, KP20A, AS2764120, AS27641-20, SAE AS2764120, SAE AS27641-20, SAE AS27641, MS2764120, MS27641-20, KP20AFS464, 3110-00-027-8143, 00-027-8143, 3110000278143, 000278143
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | JAN 13, 1972 | 00-027-8143 | 00041 ( BEARING, BALL, AIRFRAME ) |
REFERENCE DRAWINGS & PICTURES
SINGLE ROW INNER RING EXTENDED BOTH SIDES
Cross Reference | NSN 3110-00-027-8143
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| KP20AFS464 | 06144 | INDUSTRIAL TECTONICS BEARINGSCORPORATION |
| MS27641-20 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| AT25-101D | 15860 | NEW HAMPSHIRE BALL BEARINGS, INC.DBA ASTRO DIVISION |
| KP20A | 21760 | SCHATZ BEARING CORPORATION |
| KP20A | 38443 | SKF USA INC.DBA SKF AEROENGINE NORTH AMERICA |
| AS27641-20 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| SAE AS27641-20 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| SAE AS27641 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| MS27641-20 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| KP20AFS464 | 21335 | TIMKEN COMPANY, THEDIV TIMKEN AEROSPACE |
Technical Data | NSN 3110-00-027-8143
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| BORE DIAMETER | 1.2500 INCHES NOMINAL |
| OVERALL OUTSIDE DIAMETER | 2.2500 INCHES NOMINAL |
| OUTER RING WIDTH | 0.4380 INCHES NOMINAL |
| INNER RING WIDTH | 0.5000 INCHES NOMINAL |
| LUBRICATION MATERIAL | GREASE |
| LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS |
| SEAL QUANTITY | 2 |
| BEARING SEAL TYPE | CONTACT |
| LOAD DIRECTION | RADIAL |
| SPECIAL FEATURES | 80 PCT.FULL OF MIL-G-81322,INTERNAL RADIAL CLEARANCE 0.0004- 0.0010 IN.,HEAT TREAT RINGS AND BALLS TO ROCKWELL C 60 TO 66 AND STABILIZED FOR OPERATION AT 250 DEG. F,RADIAL AND @LATERAL ECCENTRICITY INNER RING 0.0010 IN. OUTER RING 0.0016 IN. |