Part Number
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 |
|---|---|
| 11083 | CATERPILLAR INC. DBA CATERPILLAR DIV |
Federal Supply Class
Title
BEARINGS, PLAIN, UNMOUNTED
Inclusions:
INCLUDES SLEEVE BEARINGS; SPLIT BEARINGS; WASHER TYPE BEARINGS; JEWEL BEARINGS.
Exclusions:
EXCLUDES ANTIFRICTION BEARINGS (FSC 3110); MOUNTED BEARINGS (FSC 3130).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATT | MATERIAL | STEEL INNER LAYER |
| MATT | MATERIAL | STEEL INNER LAYER |
| MATT | MATERIAL | COPPER ALLOY OUTER LAYER |
| STYL | STYLE DESIGNATOR | ROUND |
| AGKQ | BEARING SURFACE HOLE QUANTITY | 2 FIRST |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| FEAT | SPECIAL FEATURES | BEARING SURFACE HOLES ARE EQUALLY SPACED ON A 2.1550 IN. TO 2.1560 IN. BOLT CIRCLE |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABKV | OUTSIDE DIAMETER | 2.5625 INCHES NOMINAL |
| ABMZ | DIAMETER | 1.6875 INCHES NOMINAL |
| CTLM | LUBRICATION FEATURE | PERFORATION FLAT BEARING SURFACE |
| BZLX | CORNER SHAPE | SQUARE ALL CORNERS |
| ADUM | OVERALL THICKNESS | 0.1520 INCHES MINIMUM AND 0.1540 INCHES MAXIMUM |
| AGKR | BEARING SURFACE HOLE DIAMETER | 0.1865 INCHES MINIMUM FIRST AND 0.1875 INCHES MAXIMUM FIRST |
| SFTT | SURFACE TREATMENT | TIN LEFT SIDE |