4M329G25 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: 4M329G25 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 4M329G25. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 4M329G25
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-253-4497
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 04/18/1987

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 and perforation external inner member lubrication feature, 37.0 rockwell c minimum inner member hardness rating, 1.5557 inches minimum and 1.5577 inches maximum bore diameter, 0.9700 inches minimum and 0.9750 inches maximum inner member width, 28.0 rockwell c minimum and 36.0 rockwell c maximum outer race member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-253-4497 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 1.5557 inches minimum and 1.5577 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: 0.9700 inches minimum and 0.9750 inches maximum
Lubrication Feature: groove and perforation external inner member
Lubrication Feature: groove and perforation internal outer member
Material Document And Classification: ams 5643 assn std single material response outer race member
Material Document And Classification: mil-g-81322 mil spec single material response lubrication
Material Document And Classification: qq-c-530 fed spec all material responses inner member
Material: copper alloy 172 or copper alloy 173 inner member
Material: grease lubrication
Material: steel comp 630 outer race member
Outer Member Outside Diameter: 2.3295 inches minimum and 2.3300 inches maximum
Outer Member Width: 0.9700 inches minimum and 0.9750 inches maximum
Specification/Standard Data: 76301-4-329 manufacturers standard
Static Radial Load Rating: 141000 pounds
Style Designator: without insert or liner
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response outer race member
Surface Treatment: cadmium and chromate outer race member

Frequently Asked Questions

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What is the FSCG of the NSN 3120-01-253-4497?: The FSCG of the NSN 3120-01-253-4497 is 3120

Does the NSN 3120-01-253-4497 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-253-4497 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 3120-01-253-4497 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-253-4497 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.