3120-00-840-2729, BEARING,PLAIN,SPHERICAL

National Stock Number:
3120-00-840-2729

Federal Supply Class:
3120

National Item Identification Number:
008402729

Description:
BEARING,PLAIN,SPHERICAL

Detail:
A DETACHABLE PART IN OR ON WHICH A JOURNAL, GUDGEON, PIVOT, OR THE LIKE MOVES. IT IS USED TO CARRY A LOAD AND TO REDUCE SLIDING FRICTION. IT DOES NOT EMPLOY ROLLING ELEMENTS. IT MAY BE DIVIDED INTO TWO OR MORE SEGMENTS OF 180 DEGREES (3.141 RADIANS) OR LESS. THE ITEM HAS A CYLINDRICAL BORE AND IS BASICALLY SPHERICAL IN ITS EXTERIOR DESIGN TO ALLOW FOR SHAFT MISALIGNMENT. EXCLUDES BEARING, PLAIN, SELF-ALIGNING.

Manufacturer Information:

204-076-168-001	97499	BELL TEXTRON INC
204-076-168-1	97499	BELL TEXTRON INC

Techincal Specification:

BODY INSIDE DIAMETER	1.4995 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM
CORNER SHAPE	SQUARE INSIDE RIGHT CORNER
CORNER SHAPE	SQUARE INSIDE LEFT CORNER
HARDNESS RATING	60.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
OVERALL LENGTH	1.3070 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP E52100 OVERALL
SPHERICAL BODY DIAMETER	2.1540 INCHES MINIMUM AND 2.1560 INCHES MAXIMUM
STYLE DESIGNATOR	SOLID
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	63.0 MICROINCHES LEFT END SURFACE
SURFACE FINISH	63.0 MICROINCHES RIGHT END SURFACE
SURFACE FINISH	8.0 MICROINCHES SPHERICAL SURFACE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE LEFT END SURFACE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE RIGHT END SURFACE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE SPHERICAL SURFACE
SURFACE TREATMENT	CHROMIUM LEFT END SURFACE
SURFACE TREATMENT	CHROMIUM RIGHT END SURFACE
SURFACE TREATMENT	CHROMIUM SPHERICAL SURFACE
TEST DATA DOCUMENT	97499-4075 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). AND 97499-4092 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).

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