REF4-4 Rod End Plain Bearing

Comprehensive specifications and application details for: REF4-4 Rod End Plain Bearing.

Summary

Explore detailed summary information for bearing: REF4-4. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: REF4-4
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-236-6501
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 03/12/1971

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.

1.3650 inches minimum and 1.3850 inches maximum bore center to shank end distance, 60.0 rockwell c minimum inner member hardness rating, 0.4320 inches minimum and 0.4370 inches maximum inner member width, 0.2495 inches minimum and 0.2515 inches maximum bore diameter, 0.3070 inches minimum and 0.3170 inches maximum inspection hole center to end distance

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-236-6501 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2515 inches maximum
Bore Center To Shank End Distance: 1.3650 inches minimum and 1.3850 inches maximum
Hardness Rating: 60.0 rockwell c minimum inner member
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Inspection Hole Center To End Distance: 0.3070 inches minimum and 0.3170 inches maximum
Lubrication Feature: groove internal outer member
Overall Length: 1.7400 inches minimum and 1.7960 inches maximum
Material: copper alloy 485 race insert
Material: steel comp 1018 internal rod end body
Material: steel comp e52100 inner member
Outer Member Outside Diameter: 0.7500 inches minimum and 0.8220 inches maximum
Outer Member Width: 0.2990 inches minimum and 0.3090 inches maximum
Shank Width Across Wrench Flats: 0.3650 inches minimum and 0.3850 inches maximum
Shank Style: internally threaded w/bead and wrench flats and inspection hole
Shank Thread Length: 0.7188 inches minimum and 0.8125 inches maximum
Static Radial Load Rating: 2200 pounds
Style Designator: ball type
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec single treatment response rod end body
Surface Treatment: cadmium rod end body
Thread Class: 3b
Thread Diameter: 0.250 inches nominal
Thread Direction: right-hand
Thread Quantity Per Inch: 28
Thread Series Designator: unf

Frequently Asked Questions

Find quick answers to common questions about bearing: REF4-4. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-236-6501?: The FSCG of the NSN 3120-00-236-6501 is 3120

Does the NSN 3120-00-236-6501 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-00-236-6501 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 3120-00-236-6501 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-236-6501 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.