55193 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: 55193 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 55193. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 55193
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-970-9817
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1962

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.

27.0 rockwell c minimum and 32.0 rockwell c maximum outer race member hardness rating, 0.3745 inches minimum and 0.3750 inches maximum bore diameter, groove external outer member lubrication feature, 56.0 rockwell c nominal inner member hardness rating, 0.4010 inches minimum and 0.4060 inches maximum inner member width

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-970-9817 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.3745 inches minimum and 0.3750 inches maximum
Hardness Rating: 56.0 rockwell c nominal inner member
Hardness Rating: 27.0 rockwell c minimum and 32.0 rockwell c maximum outer race member
Inner Member Width: 0.4010 inches minimum and 0.4060 inches maximum
Lubrication Feature: groove external outer member
Lubrication Feature: groove internal inner member
Lubrication Feature: groove internal outer member
Lubrication Feature: perforation outer race member
Lubrication Feature: perforation inner member
Material Document And Classification: mil-g-23827 mil spec single material response lubrication
Material: grease and lubricant dry film lubrication
Material: steel outer race member
Material: steel comp e52100 or steel comp 440c inner member
Outer Member Outside Diameter: 0.8120 inches minimum and 0.8125 inches maximum
Outer Member Width: 0.3070 inches minimum and 0.3170 inches maximum
Static Radial Load Rating: 13600 pounds
Style Designator: without insert or liner with staking groove
Surface Treatment: cadmium outer race member
Surface Treatment: chromium inner member

Replaces

The NSN 3120-00-970-9817 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-877-6996	No Name Available	05/01/2003

Frequently Asked Questions

Find quick answers to common questions about bearing: 55193. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-970-9817?: The FSCG of the NSN 3120-00-970-9817 is 3120

Does the NSN 3120-00-970-9817 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-970-9817 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 3120-00-970-9817 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-970-9817 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.