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 |
|---|---|
| 40920 | TIMKEN AEROSPACE & SUPER PRECISION H |
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 |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048,FA1143 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING |
| ADGA | OVERALL OUTSIDE DIAMETER | 2.7490 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM |
| AGYW | BEARING SEAL TYPE | CONTACT |
| AGZA | ALIGNMENT TYPE | SELF-ALIGNING |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS |
| MATT | MATERIAL | STEEL COMP E51100 BALL OR STEEL COMP E52100 BALL |
| SFTT | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| MATT | MATERIAL | STEEL COMP E52100 OUTER RING |
| AGZC | LOAD DIRECTION | RADIAL |
| FEAT | SPECIAL FEATURES | 80 PCT FULL OF SPECIFIED LUBRICANT 5 DEG SELF-ALIGNMENT IN EITHER DIRECTION |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3652 ASSN STD 1ST MATERIAL RESPONSE SEAL OR AMS 3666 ASSN STD 2ND MATERIAL RESPONSE SEAL |
| ADZG | LUBRICATION MATERIAL | GREASE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES BALL |
| AGVT | AND | |
| CBBL | FEATURES PROVIDED | ALIGNING RING |
| AGVU | AND | |
| MATT | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAL OR PLASTIC SEAL |
| AGYJ | SEAL QUANTITY | 2 |
| MATT | MATERIAL | STEEL INNER RING |
| AHAW | SELF-ALIGNMENT LOCATION | EXTERNAL |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| ABXV | BORE DIAMETER | 1.8120 INCHES MINIMUM AND 1.8130 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| STYL | STYLE DESIGNATOR | SINGLE ROW, EXTERNAL SELF ALIGNING, W/ALIGNING RING |