Product Details | SPHERICAL PLAIN BEARING

3120-00-031-3655 A detachable part 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. It may be divided into two or more segments of 180 degrees (3.141 radians) or less. The item has a cylindrical bore and is basically spherical in its exterior design to allow for shaft misalignment. Excludes BEARING, PLAIN, SELF-ALIGNING.

Part Alternates: 3120-00-031-3655, 00-031-3655, 3120000313655, 000313655

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 00-031-3655

Drawings & Photos | NSN 3120-00-031-3655


Cross Reference | NSN 3120-00-031-3655

Part Number Cage Code Manufacturer
12L10053-7 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
12L586-7 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 3120-00-031-3655

Characteristic Specifications
STYLE DESIGNATOR 15C SOLID
OVERALL LENGTH 1.4990 INCHES MINIMUM AND 1.5010 INCHES MAXIMUM
BODY INSIDE DIAMETER 1.7514 INCHES MINIMUM AND 1.7524 INCHES MAXIMUM
SPHERICAL BODY DIAMETER 2.5000 INCHES MINIMUM AND 2.5010 INCHES MAXIMUM
CORNER SHAPE CHAMFERED INSIDE RIGHT CORNER CHAMFERED INSIDE LEFT CORNER
SURFACE FINISH 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY 125.0 MICROINCHES LEFT END SURFACE 125.0 MICROINCHES RIGHT END SURFACE 10.0 MICROINCHES SPHERICAL SURFACE
(NON-CORE DATA) CHAMFER LENGTH 0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM 0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM
(NON-CORE DATA) CHAMFER ANGLE 45.0 DEGREES NOMINAL 45.0 DEGREES NOMINAL
MANUFACTURERS CODE 81755
DESIGN CONTROL REFERENCE 12L10053-7

Restrictions/Controls & Freight Information | NSN 3120-00-031-3655

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