Part Number
Part Number:
NSN:
NIIN:
Item Name:
BEARING , WASHER , THRUST
Definition:
AN ITEM OF ANY PERIPHERAL SHAPE USUALLY HAVING ONE FLAT OR SPHERICAL SURFACE AND A CENTRALLY LOCATED HOLE. IT IS DESIGNED FOR APPLICATIONS INVOLVING MOVING (KINETIC) LOADS. EXCEPT FOR ITEMS FABRICATED FROM BEARING QUALITY SYNTHETIC (PLASTIC) OR COMPOSED OF MULTILAYER MATERIAL, ONE BEARING SURFACE MUST EITHER HAVE A SPECIFIC SURFACE FINISH DESIGNATION OF 32 MICROINCH (0.8 MICROMETRE) OR LESS, ARITHMETICAL AVERAGE (AA) (ARITHMETIC MEAN DEVIATION) OR ONE OF THE FOLLOWING CONDITIONS: BE LAPPED OR GROUND; HAVE VISIBLE OR DETECTABLE MEANS OF LUBRICATION; GROOVES, INDENTATIONS; OR SELF-LUBRICATION. THE THICKNESS MUST NOT EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OF THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS (WHEN THICKNESS AND/OR OUTSIDE DIAMETER IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE). EXCLUDES STRAIGHT, TUBULAR (WITHOUT FLANGE) ITEMS HAVING A BEARING SURFACE(S) PARALLEL TO THE AXIS OF THE BORE ONLY. SEE ALSO WASHER, FLAT AND SPACER, SLEEVE.
CAGE Information
Code |
Company |
56442 |
DIAMOND REO TRUCK CO |
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
ABKV |
OUTSIDE DIAMETER |
4.0000 INCHES NOMINAL |
FEAT |
SPECIAL FEATURES |
HOLES EQUALLY SPACE ON BOLT CIRCLE |
STYL |
STYLE DESIGNATOR |
ROUND |
AAGR |
CROSS-SECTIONAL SHAPE STYLE |
RECTANGULAR |
MATT |
MATERIAL |
COPPER ALLOY OVERALL |
ABMX |
CENTER HOLE SHAPE STYLE |
ROUND |
AGKQ |
BEARING SURFACE HOLE QUANTITY |
4 FIRST |
CTLM |
LUBRICATION FEATURE |
GROOVE RIGHT END SURFACE |
CQFM |
HARDNESS RATING |
50.0 ROCKWELL C MINIMUM OVERALL AND 65.0 ROCKWELL C MAXIMUM OVERALL |
ABMZ |
DIAMETER |
2.3170 INCHES MINIMUM AND 2.3220 INCHES MAXIMUM |
CTLM |
LUBRICATION FEATURE |
PERFORATION FLAT BEARING SURFACE |
BZLX |
CORNER SHAPE |
SQUARE ALL CORNERS |
CTLM |
LUBRICATION FEATURE |
GROOVE LEFT END SURFACE |
ADUM |
OVERALL THICKNESS |
0.0580 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM |
AGKR |
BEARING SURFACE HOLE DIAMETER |
0.2500 INCHES NOMINAL FIRST |
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