3120-01-348-8580, BEARING,PLAIN,SELF-ALIGNING

3120-01-348-8581 BEARING,PLAIN,SELF-ALIGNING

National Stock Number:
3120-01-348-8580

Federal Supply Class:
3120

National Item Identification Number:
013488580

Description:
BEARING,PLAIN,SELF-ALIGNING

Detail:
A detachable assembly 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. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes BEARING, PLAIN, ROD END and BEARING, PLAIN, SPHERICAL.

Manufacturer Information:

MS21155B7	0U583	SAE INTERNATIONAL
MS21155B7	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21155B7	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

MATERIAL	STEEL COMP 440C INNER MEMBER
	COPPER ALLOY 642 OR
	COPPER ALLOY 630 OUTER RACE MEMBER
STYLE DESIGNATOR	WITHOUT INSERT OR LINER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
	ASTM B124 ASSN STD ALL MATERIAL RESPONSES OR
	ASTM B150 ASSN STD ALL MATERIAL RESPONSES OR
	ASTM B283 ASSN STD 1ST MATERIAL RESPONSE OR
	AMS 4640 ASSN STD 2ND MATERIAL RESPONSE OUTER RACE MEMBER
HARDNESS RATING	56.0 ROCKWELL C MINIMUM INNER MEMBER
	27.0 ROCKWELL C MINIMUM AND
	36.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
SURFACE TREATMENT	CHROMIUM INNER MEMBER
	CADMIUM OUTER RACE MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RACE MEMBER
BORE DIAMETER	0.4370 INCHES MINIMUM AND
	0.4375 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER	0.9057 INCHES MINIMUM AND
	0.9062 INCHES MAXIMUM
OUTER MEMBER WIDTH	0.3380 INCHES MINIMUM AND
	0.3480 INCHES MAXIMUM
INNER MEMBER WIDTH	0.4350 INCHES MINIMUM AND
	0.4370 INCHES MAXIMUM

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