3120-01-221-1132, BEARING,PLAIN,SELF-ALIGNING

National Stock Number:
3120-01-221-1132

Federal Supply Class:
3120

National Item Identification Number:
012211132

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:

3120PL0688136	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
4062338	09455	RBC TRANSPORT DYNAMICS CORP
4062339	15860	NEW HAMPSHIRE BALL BEARINGS INC
4062339	77445	RTX CORPORATION
4062497	77445	RTX CORPORATION
4062338	77445	RTX CORPORATION
4065580	77445	RTX CORPORATION

Techincal Specification:

BORE DIAMETER	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATION	MATT
HARDNESS RATING	24.0 ROCKWELL C NOMINAL OUTER RACE MEMBER
HARDNESS RATING	50.0 ROCKWELL C NOMINAL INNER MEMBER
INNER MEMBER WIDTH	0.3410 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM
LUBRICATION FEATURE	SELF-LUBRICATING LINER RACE LINER
OUTER MEMBER WIDTH	0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER	0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
MATERIAL	COBALT INNER MEMBER
MATERIAL	IRON ALLOY 660 OUTER RACE MEMBER
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
STYLE DESIGNATOR	WITH INSERT AND/OR LINER WITH STAKING GROOVE

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