3120-00-938-3957 Self-Aligning Plain Bearing

Comprehensive specifications and application details for NSN: 3120-00-938-3957.

Summary

Explore detailed summary information for bearing: 3120-00-938-3957. 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: 3120-00-938-3957
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 03/21/1967

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.

groove internal inner member lubrication feature, 0.9950 inches minimum and 1.0000 inches maximum inner member width, 1.8745 inches minimum and 1.8765 inches maximum bore diameter, groove external outer member lubrication feature, groove internal outer member lubrication feature

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-938-3957 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 1.8745 inches minimum and 1.8765 inches maximum
Inner Member Width: 0.9950 inches minimum and 1.0000 inches maximum
Lubrication Feature: groove external outer member
Lubrication Feature: groove internal inner member
Lubrication Feature: groove internal outer member
Lubrication Feature: indentation inner member
Lubrication Feature: indentation outer race member
Material: copper alloy 172 or copper alloy 173 inner member
Material: steel comp 4340 or steel comp 4340h outer race member
Outer Member Outside Diameter: 2.6200 inches minimum and 2.6250 inches maximum
Outer Member Width: 1.0850 inches minimum and 1.0900 inches maximum
Static Radial Load Rating: 378000 pounds
Style Designator: without insert or liner
Surface Treatment: cadmium external outer member

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
32-41117-11	Self-Aligning Plain Bearing
BSN30090	Self-Aligning Plain Bearing
KSSB30-7	Self-Aligning Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-00-938-3957. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-938-3957?: The FSCG of the NSN 3120-00-938-3957 is 3120

Does the NSN 3120-00-938-3957 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-938-3957 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 3120-00-938-3957 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-938-3957 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.