REF-4HE Rod End Plain Bearing

Comprehensive specifications and application details for: REF-4HE Rod End Plain Bearing.

Summary

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

Part Number: REF-4HE
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-448-2250
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 01/08/1971

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.

0.4320 inches minimum and 0.4370 inches maximum inner member width, 1.8400 inches minimum and 1.8800 inches maximum overall length, 1.4590 inches minimum and 1.4790 inches maximum bore center to shank end distance, 0.2495 inches minimum and 0.2515 inches maximum bore diameter, 0.3750 inches nominal inspection hole center to end distance

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-448-2250 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2515 inches maximum
Bore Center To Shank End Distance: 1.4590 inches minimum and 1.4790 inches maximum
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Inspection Hole Center To End Distance: 0.3750 inches nominal
Overall Length: 1.8400 inches minimum and 1.8800 inches maximum
Material: steel comp 440c inner member
Material: steel corrosion resisting internal rod end body
Material: steel corrosion resisting race insert
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 Width Across Wrench Flats: 0.4375 inches nominal
Shank Style: internally threaded w/bead and wrench flats and inspection hole
Shank Thread Length: 0.7190 inches minimum and 0.8130 inches maximum
Static Radial Load Rating: 3300 pounds
Style Designator: ball type
Surface Treatment: chromium inner member
Thread Class: 3a
Thread Diameter: 0.313 inches nominal
Thread Direction: right-hand
Thread Quantity Per Inch: 24
Thread Series Designator: unf

Replaces

The NSN 3120-00-448-2250 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-165-6310	No Name Available	05/01/1974

Frequently Asked Questions

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

What is the FSCG of the NSN 3120-00-448-2250?: The FSCG of the NSN 3120-00-448-2250 is 3120

Does the NSN 3120-00-448-2250 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-00-448-2250 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 3120-00-448-2250 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-448-2250 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.