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 |
|---|---|---|
| FEAT | SPECIAL FEATURES | LIGHT FILM OF SPECIFIED LUBRICANT; BEARING CONSTRUCTION MAY BE EITHER FRACTURED OUTER RING W/O LOADING GROOVE OR CYLINDRICAL OUTER RING W/ LOADING GROOVE |
| STYL | STYLE DESIGNATOR | SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE |
| ABXV | BORE DIAMETER | 0.8748 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 440C OVERALL |
| TEST | TEST DATA DOCUMENT | 81348-QQ-P-35,PARA 4.4.3 SPECIFICATION |
| AGZC | LOAD DIRECTION | RADIAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 1.3121 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM |
| AGVT | AND | |
| AGVU | AND | |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | HMS 20-2164,TY 1,GR B,FSCM 82577 MFR REF SINGLE MATERIAL RESPONSE |
| ADZG | LUBRICATION MATERIAL | OIL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CTFZ | STANDARD TOLERANCE DESIGNATION | ABEC NO. 5T |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |