3120-01-129-2227 Self-Aligning Plain Bearing

Comprehensive specifications and application details for NSN: 3120-01-129-2227.

Summary

Explore detailed summary information for bearing: 3120-01-129-2227. 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: 3120-01-129-2227
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 04/04/1982

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.

0.3850 inches minimum and 0.3900 inches maximum inner member width, 37.0 rockwell c minimum inner member hardness rating, groove external outer member lubrication feature, 28.0 rockwell c minimum and 36.0 rockwell c maximum outer race member hardness rating, 0.4995 inches minimum and 0.5000 inches maximum bore diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-129-2227 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.4995 inches minimum and 0.5000 inches maximum
Hardness Rating: 37.0 rockwell c minimum inner member
Hardness Rating: 28.0 rockwell c minimum and 36.0 rockwell c maximum outer race member
Inner Member Width: 0.3850 inches minimum and 0.3900 inches maximum
Lubrication Feature: groove external outer member
Lubrication Feature: groove internal inner member
Lubrication Feature: groove internal outer member
Lubrication Feature: perforation outer race member
Lubrication Feature: perforation inner member
Material Document And Classification: mil-g-81322 mil spec single material response lubrication
Material: copper alloy 172 or copper alloy 173 inner member
Material: grease lubrication
Outer Member Outside Diameter: 0.9995 inches minimum and 1.0000 inches maximum
Outer Member Width: 0.4950 inches minimum and 0.5000 inches maximum
Static Radial Load Rating: 20400 pounds
Style Designator: without insert or liner with staking groove

Replaces

The NSN 3120-01-129-2227 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-01-195-5172	No Name Available	01/01/1986

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
10107848	Self-Aligning Plain Bearing
AS81936/1-8	Self-Aligning Plain Bearing
M81936/1-8	Self-Aligning Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-129-2227. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-129-2227?: The FSCG of the NSN 3120-01-129-2227 is 3120

Does the NSN 3120-01-129-2227 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-129-2227 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 3120-01-129-2227 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-129-2227 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.