3120-00-031-1227 Self-Aligning Plain Bearing

Comprehensive specifications and application details for NSN: 3120-00-031-1227.

Summary

Explore detailed summary information for bearing: 3120-00-031-1227. 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: 3120-00-031-1227
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 10/28/1972

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.

steel comp 630 outer race member material, steel comp 440c inner member material, 1.2495 inches minimum and 1.2500 inches maximum bore diameter, 57.0 rockwell c minimum and 61.0 rockwell c maximum inner member hardness rating, 1.1950 inches minimum and 1.2000 inches maximum inner member width

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-031-1227 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 1.2495 inches minimum and 1.2500 inches maximum
Hardness Rating: 57.0 rockwell c minimum and 61.0 rockwell c maximum inner member
Inner Member Width: 1.1950 inches minimum and 1.2000 inches maximum
Material: steel comp 440c inner member
Material: steel comp 630 outer race member
Outer Member Outside Diameter: 2.0000 inches minimum and 2.0005 inches maximum
Outer Member Width: 0.8000 inches minimum and 0.8100 inches maximum
Static Radial Load Rating: 30200 pounds
Style Designator: without insert or liner with staking groove
Surface Treatment: chromium inner 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
55752	Self-Aligning Plain Bearing
ASSB20V65	Self-Aligning Plain Bearing
GB520CM1250H	Self-Aligning Plain Bearing

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-031-1227?: The FSCG of the NSN 3120-00-031-1227 is 3120

Does the NSN 3120-00-031-1227 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-031-1227 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 3120-00-031-1227 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-031-1227 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.