4M342-18 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: 4M342-18 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 4M342-18. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 4M342-18
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-293-7976
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 02/06/1989

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.

43.0 rockwell c minimum and 47.0 rockwell c maximum inner member hardness rating, 28.0 rockwell c minimum and 37.0 rockwell c maximum outer race member hardness rating, 1.1250 inches minimum and 1.1255 inches maximum bore diameter, groove and perforation inner member lubrication feature, 0.9950 inches minimum and 1.0000 inches maximum inner member width

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-293-7976 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 1.1250 inches minimum and 1.1255 inches maximum
Hardness Rating: 43.0 rockwell c minimum and 47.0 rockwell c maximum inner member
Hardness Rating: 28.0 rockwell c minimum and 37.0 rockwell c maximum outer race member
Inner Member Width: 0.9950 inches minimum and 1.0000 inches maximum
Lubrication Feature: groove and perforation inner member
Material Document And Classification: ams 5643 assn std single material response outer race member
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: oil lubricating lubrication
Material: steel comp 630 outer race member
Outer Member Outside Diameter: 2.0000 inches minimum and 2.0005 inches maximum
Outer Member Width: 0.8950 inches minimum and 0.9050 inches maximum
Static Radial Load Rating: 121500 pounds
Style Designator: without insert or liner with staking groove

Frequently Asked Questions

Find quick answers to common questions about bearing: 4M342-18. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-293-7976?: The FSCG of the NSN 3120-01-293-7976 is 3120

Does the NSN 3120-01-293-7976 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-293-7976 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 3120-01-293-7976 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-293-7976 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.