TR4

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.

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

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.
When the NSN 3120-01-119-3712 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Wed, Sep 23, 1981

Price & Availability

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