55181 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: 55181 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 55181. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 55181
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-197-8189
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 12/29/1984

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.

0.2760 inches minimum and 0.2810 inches maximum inner member width, groove and perforation inner member lubrication feature, 56.0 rockwell c maximum inner member hardness rating, 0.1895 inches minimum and 0.1900 inches maximum bore diameter, groove and perforation outer race member lubrication feature

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-197-8189 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.1895 inches minimum and 0.1900 inches maximum
Hardness Rating: 56.0 rockwell c maximum inner member
Inner Member Width: 0.2760 inches minimum and 0.2810 inches maximum
Lubrication Feature: groove and perforation inner member
Lubrication Feature: groove and perforation outer race member
Material Document And Classification: mil-g-23827 mil spec single material response lubrication
Material Document And Classification: sae assn std 1st material response inner member
Material: copper alloy outer race member
Material: lubricant dry film and grease lubrication
Material: steel comp e52100 or steel comp 440c inner member
Outer Member Outside Diameter: 0.5620 inches minimum and 0.5625 inches maximum
Outer Member Width: 0.2130 inches minimum and 0.2230 inches maximum
Special Features: no plating in bore and inside surface of outer race
Specification/Standard Data: 26512-gb14c manufacturers specification control
Static Radial Load Rating: 2350 pounds
Style Designator: without insert or liner
Surface Treatment Document And Classification: qq-c-320,class 2 fed spec single treatment response inner member
Surface Treatment Document And Classification: qq-p-416,type 1,class 2 fed spec single treatment response outer race member
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 3120-01-197-8189?: The FSCG of the NSN 3120-01-197-8189 is 3120

Does the NSN 3120-01-197-8189 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-197-8189 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 3120-01-197-8189 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-197-8189 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.