4E-138 Rod End Plain Bearing

Comprehensive specifications and application details for: 4E-138 Rod End Plain Bearing.

Summary

Explore detailed summary information for bearing: 4E-138. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 4E-138
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-036-7428
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 03/05/1977

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.

26.0 rockwell c minimum and 43.0 rockwell c maximum rod end body hardness rating, 28.0 rockwell c minimum and 36.0 rockwell c maximum race insert hardness rating, 0.2495 inches minimum and 0.2515 inches maximum bore diameter, 41.0 rockwell c minimum and 57.0 rockwell c maximum inner member hardness rating, 1.5520 inches minimum and 1.5720 inches maximum bore center to shank end distance

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-036-7428 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2515 inches maximum
Bore Center To Shank End Distance: 1.5520 inches minimum and 1.5720 inches maximum
Hardness Rating: 41.0 rockwell c minimum and 57.0 rockwell c maximum inner member
Hardness Rating: 26.0 rockwell c minimum and 43.0 rockwell c maximum rod end body
Hardness Rating: 28.0 rockwell c minimum and 36.0 rockwell c maximum race insert
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Overall Length: 1.9375 inches minimum and 1.9675 inches maximum
Material Document And Classification: bms 3-8, mcdonnell douglas corp, mcdonnell aircraft division mfr ref single material response lubrication
Material: lubricant dry film lubrication
Material: steel comp 303 or steel comp 347 race insert
Material: steel comp 4130 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: 0.9690 inches minimum and 1.0620 inches maximum
Special Features: chrome plate finish on items furnished with inner race member of 52100 steel only
Static Radial Load Rating: 2100 pounds
Style Designator: ball type
Surface Treatment: cadmium rod end body
Surface Treatment: chromium inner member
Thread Class: 3a
Thread Diameter: 0.312 inches nominal
Thread Direction: right-hand
Thread Quantity Per Inch: 24
Thread Series Designator: unf

Frequently Asked Questions

Find quick answers to common questions about bearing: 4E-138. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-036-7428?: The FSCG of the NSN 3120-01-036-7428 is 3120

Does the NSN 3120-01-036-7428 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-01-036-7428 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 3120-01-036-7428 contain precious materials?: Precious metal content is unknown

Does NSN 3120-01-036-7428 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.