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

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

3120-01-348-8582 BEARING,PLAIN,SELF-ALIGNING

National Stock Number:
3120-01-348-8581

Federal Supply Class:
3120

National Item Identification Number:
013488581

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:

MS21154	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS21154B4	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

BORE DIAMETER	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
HARDNESS RATING	56.0 ROCKWELL C MINIMUM INNER MEMBER
HARDNESS RATING	27.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
INNER MEMBER WIDTH	0.3410 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM
LUBRICATION MATERIAL	GREASE, MIL-G-21164
OUTER MEMBER OUTSIDE DIAMETER	0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM
OUTER MEMBER WIDTH	0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
MATERIAL	COPPER ALLOY OUTER RACE MEMBER
MATERIAL	STEEL COMP 440C INNER MEMBER
STATIC RADIAL LOAD RATING	4300 POUNDS
STYLE DESIGNATOR	WITHOUT INSERT OR LINER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RACE MEMBER
SURFACE TREATMENT	CADMIUM AND CHROMATE OUTER RACE MEMBER
SURFACE TREATMENT	CHROMIUM INNER MEMBER

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