Product Details | SELF-ALIGNING PLAIN BEARING

3120-00-450-5203 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.

Part Alternates: 3120-00-450-5203, 00-450-5203, 3120004505203, 004505203

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 00-450-5203

Drawings & Photos | NSN 3120-00-450-5203


Demand History | NSN 3120-00-450-5203

Part Number Request Date QTY Origin
3120-00-450-5203 2025-03-80 8 Greece

Cross Reference | NSN 3120-00-450-5203

Part Number Cage Code Manufacturer
03-824-16 09455 RBC TRANSPORT DYNAMICS CORP. DIV RBC TRANSPORT DYNAMICS
04A073-16 1W025 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
AS14102 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS81820 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
KR16-CWB 50632 KAMATICS CORPORATION
KWDB16-36 97613 DOVER ENGINEERED SYSTEMS, INC. DBA KAHR BEARING
MS14102-16 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS14102-16 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS21231-16 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
SWKR-16-401 81376 RBC SOUTHWEST PRODUCTS, INC.
WHT16 50294 NEW HAMPSHIRE BALL BEARINGS, INC. DBA NHBB
WHT16(L1) 15860 NEW HAMPSHIRE BALL BEARINGS, INC. DBA ASTRO DIVISION

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Technical Data | NSN 3120-00-450-5203

Characteristic Specifications
MATERIAL STEEL COMP 440C INNER MEMBER STEEL COMP 630 OR STEEL COMP 631 OUTER RACE MEMBER
HARDNESS RATING 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER 23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
STYLE DESIGNATOR 11A WITH INSERT AND/OR LINER
BORE DIAMETER 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 2.1245 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM
OUTER MEMBER WIDTH 1.0000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM
INNER MEMBER WIDTH 1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM
STATIC RADIAL LOAD RATING 137000 POUNDS
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS21231-16

Restrictions/Controls & Freight Information | NSN 3120-00-450-5203

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information