55307M Self-Aligning Plain Bearing

Comprehensive specifications and application details for: 55307M Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 55307M. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 55307M
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-726-4341
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1963

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.

57.0 rockwell c nominal inner member hardness rating, 0.4370 inches minimum and 0.4390 inches maximum bore diameter, groove external outer member lubrication feature, 0.5570 inches minimum and 0.5620 inches maximum inner member width, 19.0 rockwell c nominal outer race member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-726-4341 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.4370 inches minimum and 0.4390 inches maximum
Hardness Rating: 57.0 rockwell c nominal inner member
Hardness Rating: 19.0 rockwell c nominal outer race member
Inner Member Width: 0.5570 inches minimum and 0.5620 inches maximum
Lubrication Feature: groove external outer member
Lubrication Feature: perforation outer race member
Material: steel comp 303 or steel comp 347 outer race member
Material: steel comp e52100 inner member
Outer Member Outside Diameter: 0.9370 inches minimum and 0.9375 inches maximum
Outer Member Width: 0.4370 inches nominal
Style Designator: without insert or liner
Surface Treatment: cadmium outer race member
Surface Treatment: chromium inner member

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-726-4341?: The FSCG of the NSN 3120-00-726-4341 is 3120

Does the NSN 3120-00-726-4341 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-726-4341 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 3120-00-726-4341 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-726-4341 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.