3120-01-253-4497 Self-Aligning Plain Bearing

Comprehensive specifications and application details for NSN: 3120-01-253-4497.

Summary

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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.

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

Datasheet

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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

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
4M329G25	Self-Aligning Plain Bearing
BDS25H-329	Self-Aligning Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-253-4497. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

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.