National Stock Number (NSN) Output Data
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| R55721 | 75160 | A | 3 | 2 | A | KZ |
CAGE Information
| Code | Company |
|---|---|
| 75160 | DEERE & CO |
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 |
|---|---|---|
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAZR | MAJOR DIAMETER | 1.9010 INCHES MINIMUM AND 1.9050 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ADUM | OVERALL THICKNESS | 0.1630 INCHES MINIMUM AND 0.1670 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1552 OVERALL |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND W/KEYWAYS |
| AGJR | MINOR DIAMETER | 1.7550 INCHES MINIMUM AND 1.7650 INCHES MAXIMUM |
| AEVE | KEYWAY QUANTITY | 8 |
| AGGW | KEYWAY RADIUS | 0.0300 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM |
| CQWS | WASHER KEYWAY DEPTH | 0.0100 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 2.2800 INCHES NOMINAL |
| AGKA | CENTER HOLE KEYWAY QUANTITY | 8 |
| BZLX | CORNER SHAPE | SQUARE ALL CORNERS |
| STYL | STYLE DESIGNATOR | ROUND W/KEYWAYS |
| SFCD | SURFACE CONDITION | GROUND |