3120-01-347-9978, BEARING,PLAIN,SELF-ALIGNING

National Stock Number:
3120-01-347-9978

Federal Supply Class:
3120

National Item Identification Number:
013479978

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:

03-825-20E-017P	09455	RBC TRANSPORT DYNAMICS CORP
04A064-20P	1W025	NORTHROP GRUMMAN SYSTEMS CORP
KNDB20-21P	97613	SARGENT AEROSPACE & DEFENSE, LLC
KR20-CNGBP	50632	KAMATICS CORPORATION
KSB20-4(L1)P	15860	NEW HAMPSHIRE BALL BEARINGS INC
KSB20-4D	50294	NEW HAMPSHIRE BALL BEARINGS INC
SWKN-20-400P	81376	RBC SOUTHWEST PRODUCTS, INC.

Techincal Specification:

BORE DIAMETER	1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM
HARDNESS RATING	55.0 ROCKWELL C MINIMUM INNER MEMBER
HARDNESS RATING	28.0 ROCKWELL C MINIMUM OUTER RACE MEMBER
INNER MEMBER WIDTH	1.0910 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM
OUTER MEMBER WIDTH	0.9370 INCHES MINIMUM AND 0.9470 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER	1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION	KARON,CAGEC 50632 MFR REF SINGLE MATERIAL RESPONSE RACE LINER
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
MATERIAL	STEEL COMP 630 OUTER RACE MEMBER
MATERIAL	STEEL COMP 440C INNER MEMBER
STATIC RADIAL LOAD RATING	108000 POUNDS
STYLE DESIGNATOR	WITH INSERT AND/OR LINER WITH STAKING GROOVE

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