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 |
|---|---|---|
| AGYW | BEARING SEAL TYPE | CONTACT |
| AGYW | BEARING SEAL TYPE | CONTACT |
| AGZA | ALIGNMENT TYPE | SELF-ALIGNING |
| MATT | MATERIAL | STEEL COMP E51100 BALL OR STEEL COMP E52100 BALL |
| MATT | MATERIAL | STEEL COMP E52100 OUTER RING |
| AGZC | LOAD DIRECTION | RADIAL |
| ABXV | BORE DIAMETER | 0.3747 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM |
| ADZG | LUBRICATION MATERIAL | GREASE |
| AGVT | AND | |
| AGVU | AND | |
| FEAT | SPECIAL FEATURES | 80 PCT FULL OF SPECIFIED LUBRICANT;ANIAL PLAY 0.0300 IN. MAX.; HEAT TREAT RINGS AND BALLS TO ROCKWELL C TO 60 TO 66; HEAT STABLISHED FOR OPERATION AT 250 DEG F; 8 DEG SELF-ALIGNING IN EITHER DIRECTION; BALL BRNG STYLE:NO. 167 IN OLD A04400 FIIG;AFBMA STANDARD TOLERANCE DESIGNATION:AFBMA STANDARD TOLERANCE FOR AIRFRAME BALL BRNGS; ALIGNING RING:NOT INCLUDED; SEAL RETAINERS AR CORROSION RESISTANT STEEL; SURFACE TREATMENT AND LOCATION:ALL EXTERNAL SURFACES ARE CADMIUM QQ-P-416 TYPE 1 CLASS 2. THIS DOES NOT INCLUDE THE BORE,SEAL AND SEAL RETAINERS |
| AGYJ | SEAL QUANTITY | 2 |
| MATT | MATERIAL | STEEL COMP E52100 INNER RING |
| ADGA | OVERALL OUTSIDE DIAMETER | 0.8746 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM |
| MATT | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| AHAW | SELF-ALIGNMENT LOCATION | INTERNAL |