3120-01-221-1131 BUSHING,SLEEVE Index 4820-01-221-1133 VALVE,GATE

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:
3120PL06881369009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
406233809455RBC TRANSPORT DYNAMICS CORP
406233877445RTX CORPORATION
406233915860NEW HAMPSHIRE BALL BEARINGS INC
406233977445RTX CORPORATION
406249777445RTX CORPORATION
406558077445RTX CORPORATION


Techincal Specification:
BORE DIAMETER0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATIONMATT
HARDNESS RATING50.0 ROCKWELL C NOMINAL INNER MEMBER
HARDNESS RATING24.0 ROCKWELL C NOMINAL OUTER RACE MEMBER
INNER MEMBER WIDTH0.3410 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM
LUBRICATION FEATURESELF-LUBRICATING LINER RACE LINER
OUTER MEMBER OUTSIDE DIAMETER0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM
OUTER MEMBER WIDTH0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
MATERIALCOBALT INNER MEMBER
MATERIALIRON ALLOY 660 OUTER RACE MEMBER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
STYLE DESIGNATORWITH INSERT AND/OR LINER WITH STAKING GROOVE


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