TR4 Rod End Plain Bearing

Comprehensive specifications and application details for: TR4 Rod End Plain Bearing.

Summary

Explore detailed summary information for bearing: TR4. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: TR4
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-119-3712
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 09/23/1981

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.

external lubrication fitting and screw plug closure fitting features provided, 0.2495 inches minimum and 0.2515 inches maximum bore diameter, 60.0 rockwell c minimum inner member hardness rating, 0.3700 inches minimum and 0.3750 inches maximum inner member width, 1.3020 inches minimum and 1.3220 inches maximum bore center to shank end distance

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-119-3712 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2515 inches maximum
Bore Center To Shank End Distance: 1.3020 inches minimum and 1.3220 inches maximum
Features Provided: external lubrication fitting and screw plug closure fitting
Hardness Rating: 60.0 rockwell c minimum inner member
Inner Member Width: 0.3700 inches minimum and 0.3750 inches maximum
Inspection Hole Center To End Distance: 0.3070 inches minimum and 0.3170 inches maximum
Overall Length: 1.6870 inches nominal
Material: copper alloy race insert
Material: steel comp 1109 or steel comp 1110 or steel comp 1116 or steel comp 1117 or steel comp 1118 or steel comp 1119 rod end body
Material: steel comp e52100 inner layer
Outer Member Outside Diameter: 0.7400 inches minimum and 0.7600 inches maximum
Outer Member Width: 0.2760 inches minimum and 0.2860 inches maximum
Shank Width Across Wrench Flats: 0.1770 inches minimum and 0.1970 inches maximum
Shank Style: internally threaded w/bead and wrench flats and inspection hole
Shank Thread Length: 0.7500 inches nominal
Special Features: magnetic inspected rod end body
Static Radial Load Rating: 2704 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

Replaces

The NSN 3120-01-119-3712 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-575-3600	No Name Available	09/01/1990
3110-00-907-0094	No Name Available	09/01/1984

Frequently Asked Questions

Find quick answers to common questions about bearing: TR4. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-119-3712?: The FSCG of the NSN 3120-01-119-3712 is 3120

Does the NSN 3120-01-119-3712 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-01-119-3712 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 3120-01-119-3712 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-119-3712 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.