3120-01-221-8752 Rod End Plain Bearing

Comprehensive specifications and application details for NSN: 3120-01-221-8752.

Summary

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Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-221-8752
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 12/04/1985

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 outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes:bearing, plain, spherical and bearing, plain, self-aligning.

57.0 rockwell c minimum and 61.0 rockwell c maximum inner member hardness rating, external lubrication fitting features provided, 36.0 rockwell c minimum and 42.0 rockwell c maximum rod end body hardness rating, 1.5520 inches minimum and 1.5720 inches maximum bore center to shank end distance, 0.1895 inches minimum and 0.1915 inches maximum bore diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-221-8752 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.1895 inches minimum and 0.1915 inches maximum
Bore Center To Shank End Distance: 1.5520 inches minimum and 1.5720 inches maximum
Features Provided: external lubrication fitting
Hardness Rating: 36.0 rockwell c minimum and 42.0 rockwell c maximum rod end body
Hardness Rating: 57.0 rockwell c minimum and 61.0 rockwell c maximum inner member
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Lubrication Feature: groove inner member
Overall Length: 1.9525 inches nominal
Material Document And Classification: ams 7440 assn std 1st material response or mil-s-7420 mil spec 1st material response or qq-s-763 fed spec 2nd material response or ams 5630 assn std 2nd material response inner member
Material Document And Classification: mil-g-23827 mil spec single material response lubrication
Material Document And Classification: mil-s-6758 mil spec 1st material response or ams 6370 assn std 1st material response or mil-s-5000 mil spec 2nd material response or ams 6415 assn std 2nd material response or astm a108 assn std 3rd material response or ams 5069 assn std 3rd material response rod end body
Material Document And Classification: qq-c-465 fed spec 1st material response or qq-c-465 fed spec 2nd material response or qq-c-465 fed spec 3rd material response or qq-b-637 fed spec 4th material response or qq-b-637 fed spec 5th material response race insert
Material: copper alloy 606 or copper alloy 630 or copper alloy 614 or copper alloy 462 or copper alloy 464 or copper alloy 482 or copper alloy 485 race insert
Material: grease lubrication
Material: steel comp 4130 or steel comp e4340 or steel comp 1018 rod end body
Material: steel comp e52100 or steel comp 440c inner member
Outer Member Outside Diameter: 0.7710 inches minimum and 0.7910 inches maximum
Outer Member Width: 0.3320 inches minimum and 0.3420 inches maximum
Shank Style: externally threaded
Shank Thread Length: 0.9688 inches minimum and 1.0625 inches maximum
Specification/Standard Data: 26512-gb525ab manufacturers specification control
Static Radial Load Rating: 4500 pounds
Special Features: race insert,6th and 7th material responses per qq-b-637; plating on external surfaces of race insert and body only; no plating on bore of ball; optional lubricant reservoir thru shank length
Style Designator: ball type
Surface Treatment Document And Classification: qq-c-320 fed spec single treatment response inner member
Surface Treatment Document And Classification: qq-p-416,type1,class 2 fed spec single treatment response race insert
Surface Treatment Document And Classification: qq-p-416,type1,class 2 fed spec single treatment response rod end body
Surface Treatment: cadmium race insert
Surface Treatment: cadmium rod end body
Surface Treatment: chromium inner member
Test Data Document: "81349-mil-i-6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Class: 3a
Thread Diameter: 0.312 inches nominal
Thread Direction: right-hand
Thread Quantity Per Inch: 24
Thread Series Designator: unf

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
AB3E35FN	Rod End Plain Bearing
BRE-3090-L	Rod End Plain Bearing
GB525AB7	Rod End Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-221-8752. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-221-8752?: The FSCG of the NSN 3120-01-221-8752 is 3120

Does the NSN 3120-01-221-8752 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-01-221-8752 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 3120-01-221-8752 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-221-8752 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.