KR7E1FN Rod End Plain Bearing

Comprehensive specifications and application details for: KR7E1FN Rod End Plain Bearing.

Summary

Explore detailed summary information for bearing: KR7E1FN. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
KR7E1FN
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-661-7529
Item Name Code
13209
Federal Item Identification Guide
A045A0
Assigment Date
01/01/1963

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.

2.4380 inches nominal bore center to shank end distance, 0.4370 inches minimum and 0.4390 inches maximum bore diameter, flush lubrication fitting features provided, 59.0 rockwell c minimum and 63.0 rockwell c maximum inner member hardness rating, 36.0 rockwell c minimum and 42.0 rockwell c maximum outer race member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-661-7529 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.4370 inches minimum and 0.4390 inches maximum
Bore Center To Shank End Distance
2.4380 inches nominal
Features Provided
flush lubrication fitting
Hardness Rating
36.0 rockwell c minimum and 42.0 rockwell c maximum outer race member
Hardness Rating
59.0 rockwell c minimum and 63.0 rockwell c maximum inner member
Inner Member Width
0.8700 inches minimum and 0.8750 inches maximum
Lubrication Feature
groove external outer member
Overall Length
3.0940 inches nominal
Material
steel comp 4130 rod end body
Material
steel corrosion resisting race insert
Material
steel comp e52100 inner member
Material
steel comp e52100 outer race member
Outer Member Outside Diameter
1.3120 inches nominal
Outer Member Width
0.3600 inches maximum
Shank Thread Length
1.5000 inches nominal
Shank Style
externally threaded
Static Radial Load Rating
8750 pounds
Style Designator
ball type
Surface Treatment
cadmium rod end body
Surface Treatment
chromium inner member
Thread Class
3a
Thread Diameter
0.500 inches nominal
Thread Direction
right-hand
Thread Quantity Per Inch
20
Thread Series Designator
unf

Frequently Asked Questions

Find quick answers to common questions about bearing: KR7E1FN. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-661-7529?
The FSCG of the NSN 3120-00-661-7529 is 3120
Does the NSN 3120-00-661-7529 have a Schedule B code assigned?
Yes, the Schedule B code is 8483308055
Does NSN 3120-00-661-7529 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 3120-00-661-7529 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-661-7529 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 3120-00-661-7529 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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