3120-00-812-3977 Self-Aligning Plain Bearing

Comprehensive specifications and application details for NSN: 3120-00-812-3977.

Summary

Explore detailed summary information for bearing: 3120-00-812-3977. 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: 3120-00-812-3977
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1963

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.

0.2495 inches minimum and 0.2500 inches maximum bore diameter, 59.0 rockwell c nominal inner member hardness rating, groove internal outer member lubrication feature, 0.3380 inches minimum and 0.3430 inches maximum inner member width, groove external outer member lubrication feature

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-812-3977 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Hardness Rating: 59.0 rockwell c nominal inner member
Inner Member Width: 0.3380 inches minimum and 0.3430 inches maximum
Lubrication Feature: groove external outer member
Lubrication Feature: groove internal outer member
Lubrication Feature: perforation outer race member
Material: copper alloy outer race member
Material: lubricant lubrication
Material: steel comp e52100 inner member
Outer Member Outside Diameter: 0.6557 inches minimum and 0.6562 inches maximum
Outer Member Width: 0.2450 inches minimum and 0.2550 inches maximum
Special Features: magnetic inspection required,dry film lubrication on id of the outer race member and on the id and od of the inner race member
Static Radial Load Rating: 4200 pounds
Style Designator: without insert or liner
Surface Treatment: cadmium outer race member
Surface Treatment: chromium inner member

Replaces

The NSN 3120-00-812-3977 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-061-7094	No Name Available	09/01/1983

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
HGL4-123	Self-Aligning Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-00-812-3977. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-812-3977?: The FSCG of the NSN 3120-00-812-3977 is 3120

Does the NSN 3120-00-812-3977 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-812-3977 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 3120-00-812-3977 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-812-3977 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.