3120-01-128-8043, BEARING,PLAIN,SELF-ALIGNING

National Stock Number:
3120-01-128-8043

Federal Supply Class:
3120

National Item Identification Number:
011288043

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:

8121222-10

98749

SACRAMENTO AIR LOGISTICS CENTER SM-ALC/LIIL

Techincal Specification:

BORE DIAMETER	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
INNER MEMBER WIDTH	0.3380 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM
LUBRICATION FEATURE	GROOVE OUTER RACE MEMBER
OUTER MEMBER OUTSIDE DIAMETER	0.6870 INCHES MINIMUM AND 0.6875 INCHES MAXIMUM
OUTER MEMBER WIDTH	0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7420 MIL SPEC 2ND MATERIAL RESPONSE INNER MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-465 FED SPEC 1ST MATERIAL RESPONSE OUTER RACE MEMBER
MATERIAL	COPPER ALLOY 642 OUTER RACE MEMBER
MATERIAL	STEEL INNER MEMBER
SPECIAL FEATURES	INTERNAL,EXTERNAL GROOVE 1EA
STYLE DESIGNATOR	WITHOUT INSERT OR LINER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,CLASS2,TYPE1 FED SPEC 2ND TREATMENT RESPONSE INNER MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,CLASS2,TYPE1 FED SPEC 1ST TREATMENT RESPONSE OUTER RACE MEMBER
SURFACE TREATMENT	CHROMIUM INNER MEMBER
SURFACE TREATMENT	CADMIUM OUTER RACE MEMBER

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