KBN3-88

Comprehensive specifications and application details for: KBN3-88 Rod End Plain Bearing.

Summary

Explore detailed summary information for bearing: KBN3-88. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
KBN3-88
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-947-6220
Item Name Code
13209
Federal Item Identification Guide
A045A0
Assigment Date
04/01/1966

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.

1.3460 inches minimum and 1.4660 inches maximum bore center to shank end distance, 1.7810 inches nominal overall length, 0.1895 inches minimum and 0.1900 inches maximum bore diameter, 0.3600 inches minimum and 0.3750 inches maximum inspection hole center to end distance, 0.4320 inches minimum and 0.4370 inches maximum inner member width

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-947-6220 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.1895 inches minimum and 0.1900 inches maximum
Bore Center To Shank End Distance
1.3460 inches minimum and 1.4660 inches maximum
Inner Member Width
0.4320 inches minimum and 0.4370 inches maximum
Inspection Hole Center To End Distance
0.3600 inches minimum and 0.3750 inches maximum
Overall Length
1.7810 inches nominal
Material
plastic or copper alloy and plastic polytetrafluoroethylene race liner
Material
steel comp 440c inner member
Material
steel comp 630 rod end body
Outer Member Outside Diameter
0.7500 inches maximum
Outer Member Width
0.3280 inches maximum
Shank Width Across Wrench Flats
0.3430 inches nominal
Shank Style
internally threaded w/bead and wrench flats and inspection hole
Shank Thread Length
0.6600 inches minimum and 0.7500 inches maximum
Special Features
outer member recessed to accomodate race liner,0.0008 in. max radial clearance,17.0 deg misalignment,dynamic radial 4100 lb
Static Radial Load Rating
6920 pounds
Style Designator
ball type
Surface Treatment
passivate outer race member
Surface Treatment
chromium or passivate inner member
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 3120-00-947-6220 is used in place of the following discontinued or alternate items:

NSN Name Date
3120-00-128-8990 No Name Available 11/01/1983

Frequently Asked Questions

Find quick answers to common questions about bearing: KBN3-88. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-947-6220?
The FSCG of the NSN 3120-00-947-6220 is 3120
Does the NSN 3120-00-947-6220 have a Schedule B code assigned?
Yes, the Schedule B code is 8483308055
Does NSN 3120-00-947-6220 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 3120-00-947-6220 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-947-6220 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 3120-00-947-6220 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Fri, Apr 1, 1966

Price & Availability

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