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 |
|---|---|
| 21335 | TIMKEN AEROSPACE, INC TIMKEN AEROSPA |
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 |
|---|---|---|
| ABXV | BORE DIAMETER | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM |
| AGYK | SHIELD QUANTITY | 2 |
| FEAT | SPECIAL FEATURES | 40 TO 50 PCT FULL OF SPECIFIED GREASE ALSO RINGS AND BALLS HEAT STABILIZED TO 400 DEG F ALSO 0.0001 IN. MIN TO 0.0004 IN. MAX RADIAL CLEARANCE ALSO RING AND BALLS MATERIAL MIDIFIED BY ADDING 4 PCT MOLYBDENUM REPLACING EQUAL AMOUNT OF CHROMIUM ALSO LOW TORQUE ALSO BORE AND OD TOLERANCES CHECKED BEFORE INSTALLING SHIELDS |
| STYL | STYLE DESIGNATOR | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| AGZC | LOAD DIRECTION | RADIAL |
| ADZG | LUBRICATION MATERIAL | GREASE |
| AGVT | ||
| AGVU | AND | |
| ADGA | OVERALL OUTSIDE DIAMETER | 1.1870 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |