3120-01-008-1979 Spherical Plain Bearing

Comprehensive specifications and application details for NSN: 3120-01-008-1979.

Summary

Explore detailed summary information for bearing: 3120-01-008-1979. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-008-1979
Item Name Code: 13204
Federal Item Identification Guide: A045A0
Assigment Date: 08/17/1975

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.

square inside left corner corner shape, square inside right corner corner shape, 2.6250 inches nominal overall length, steel comp 1020 spherical surface material, 3.5070 inches minimum and 3.5080 inches maximum body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-008-1979 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 3.5070 inches minimum and 3.5080 inches maximum
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Overall Length: 2.6250 inches nominal
Material: steel comp 1020 spherical surface
Material: tin alloy uns l13840 bore liner
Spherical Body Diameter: 5.4993 inches minimum and 5.5000 inches maximum
Style Designator: segmented
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches left end surface
Surface Finish: 63.0 microinches right end surface
Surface Finish: 63.0 microinches spherical surface

Related Bearings

Explore the various bearing models associated with this NSN. Click on any bearing below to view detailed technical data, performance ratings, and application guidelines.

Part Number	Name
509E205DR-1	Spherical Plain Bearing
PL509E205DRPI	Spherical Plain Bearing
X322696	Spherical Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-008-1979. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-008-1979?: The FSCG of the NSN 3120-01-008-1979 is 3120

Does the NSN 3120-01-008-1979 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-008-1979 require demilitarization?: Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3120-01-008-1979 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-008-1979 contain hazardous materials?: Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.