3120-01-215-4420, BEARING,PLAIN,SELF-ALIGNING

National Stock Number:
3120-01-215-4420

Federal Supply Class:
3120

National Item Identification Number:
012154420

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:

131-0403-002

94756

THE BOEING COMPANY

Techincal Specification:

STYLE DESIGNATOR	WITHOUT INSERT OR LINER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE RACE INSERT
HARDNESS RATING	57.0 ROCKWELL C MINIMUM AND
	61.0 ROCKWELL C MAXIMUM INNER MEMBER
	38.0 ROCKWELL C MINIMUM AND
	45.0 ROCKWELL C MAXIMUM RACE INSERT
SURFACE TREATMENT	CHROMIUM SPHERICAL SURFACE OF RACE INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE SPHERICAL SURFACE OF RACE INSERT
BORE DIAMETER	0.2500 INCHES MINIMUM AND
	0.2502 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER	0.4850 INCHES NOMINAL
OUTER MEMBER WIDTH	0.2660 INCHES MINIMUM AND
	0.2760 INCHES MAXIMUM
INNER MEMBER WIDTH	0.4710 INCHES MINIMUM AND
	0.5930 INCHES MAXIMUM
LUBRICATION MATERIAL	LUBRICATING OIL, MIL-L-6085
LUBRICATION FEATURE	GROOVE INSIDE DIAMETER SURFACE OF RACE INSERT
SPECIAL FEATURES	RADIAL CLEARANCE SHALL BE 0.0001 TO 0.0005 IN.;RACE ENDS THREADED 0.750-16-UNF 2A GROUND THD;PEACEKEEPER STAGE IV S
THE MANUFACTURERS DATA
MANUFACTURERS CODE	94756
DESIGN CONTROL REFERENCE	131-0403-002
MATERIAL	STEEL COMP E52100 INNER MEMBER
	STEEL COMP 630 RACE INSERT

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