KB4FN Rod End Plain Bearing

Comprehensive specifications and application details for: KB4FN Rod End Plain Bearing.

Summary

Explore detailed summary information for bearing: KB4FN. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: KB4FN
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-815-4311
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1962

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.

0.3750 inches nominal inspection hole center to end distance, 0.4320 inches minimum and 0.4370 inches maximum inner member width, flush lubrication fitting features provided, 0.2495 inches minimum and 0.2515 inches maximum bore diameter, 1.4690 inches nominal bore center to shank end distance

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-815-4311 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2515 inches maximum
Bore Center To Shank End Distance: 1.4690 inches nominal
Features Provided: flush lubrication fitting
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Inspection Hole Center To End Distance: 0.3750 inches nominal
Overall Length: 1.8600 inches nominal
Material Document And Classification: 66 fed std single material response inner member
Material: copper alloy race insert
Material: steel rod end body
Material: steel comp e52100 inner member
Outer Member Outside Diameter: 0.7810 inches nominal
Outer Member Width: 0.3420 inches maximum
Shank Width Across Wrench Flats: 0.4370 inches nominal
Shank Style: internally threaded w/hexagon end and inspection hole
Shank Thread Length: 0.7500 inches nominal
Style Designator: ball type
Thread Class: 3b
Thread Diameter: 0.312 inches nominal
Thread Direction: right-hand
Thread Quantity Per Inch: 24
Thread Series Designator: unf

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-815-4311?: The FSCG of the NSN 3120-00-815-4311 is 3120

Does the NSN 3120-00-815-4311 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-00-815-4311 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 3120-00-815-4311 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-815-4311 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.