3120-00-316-8121 Self-Aligning Plain Bearing

Comprehensive specifications and application details for NSN: 3120-00-316-8121.

Summary

Explore detailed summary information for bearing: 3120-00-316-8121. 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: 3120-00-316-8121
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 11/18/1973

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.

5.0600 inches minimum and 5.0605 inches maximum bore diameter, 55.0 rockwell c minimum and 60.0 rockwell c maximum inner member hardness rating, plastic polytetrafluoroethylene race liner material, 26.0 rockwell c minimum and 35.0 rockwell c maximum outer race member hardness rating, 1.3700 inches minimum and 1.3750 inches maximum inner member width

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-316-8121 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 5.0600 inches minimum and 5.0605 inches maximum
Hardness Rating: 55.0 rockwell c minimum and 60.0 rockwell c maximum inner member
Hardness Rating: 26.0 rockwell c minimum and 35.0 rockwell c maximum outer race member
Inner Member Width: 1.3700 inches minimum and 1.3750 inches maximum
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 630 outer race member
Outer Member Outside Diameter: 5.9195 inches minimum and 5.9200 inches maximum
Outer Member Width: 1.1650 inches minimum and 1.1700 inches maximum
Static Radial Load Rating: 185000 pounds
Style Designator: with insert and/or liner
Test Data Document: "81349-mil-i=6866 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.)."

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
03-823-81E-003	Self-Aligning Plain Bearing
4M286-81	Self-Aligning Plain Bearing
HSP81TL102	Self-Aligning Plain Bearing
KMDB81-1	Self-Aligning Plain Bearing
LDS81E-111	Self-Aligning Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-00-316-8121. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-316-8121?: The FSCG of the NSN 3120-00-316-8121 is 3120

Does the NSN 3120-00-316-8121 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-316-8121 require demilitarization?: "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-00-316-8121 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-316-8121 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.