Part Number
Part Number:
NSN:
NIIN:
Item Name:
BEARING , BALL , AIRFRAME
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |
Federal Supply Class
Title
BEARINGS, ANTIFRICTION, UNMOUNTE
Inclusions:
INCLUDES BALL BEARINGS; ROLLER BEARINGS; BALLS; RACES.
Exclusions:
EXCLUDES PLAIN BEARINGS (FSC 3120); JEWEL BEARINGS (FSC 3120)
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AGYW | BEARING SEAL TYPE | CONTACT |
| MATT | MATERIAL | RUBBER SEAL |
| ABXV | BORE DIAMETER | 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL OUTER RING |
| SFTT | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| AGZC | LOAD DIRECTION | RADIAL |
| ADZG | LUBRICATION MATERIAL | GREASE |
| AGVT | AND | |
| AGVU | AND | |
| ADGA | OVERALL OUTSIDE DIAMETER | 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM |
| AGYJ | SEAL QUANTITY | 2 |
| MATT | MATERIAL | STEEL INNER RING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66,AISI/SAE E52100 FED STD SINGLE MATERIAL RESPONSE BALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66,AISI/SAE E52100 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66,AISI/SAE E52100 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 369A7951-25,02731 MFR REF SINGLE MATERIAL RESPONSE SEAL |
| STYL | STYLE DESIGNATOR | DOUBLE ROW |
| MATT | MATERIAL | STEEL BALL |