KWB8N

View detailed technical data, stock status, and sourcing information for: KWB8N
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-309-4849

Item Name Code

13208

Assigment Date

10/19/1989 (36 years ago)

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.

0.4995 inches minimum and 0.5000 inches maximum bore diameter, 0.9995 inches minimum and 1.0000 inches maximum outer member outside diameter, 0.6200 inches minimum and 0.6250 inches maximum inner member width, 0.5000 inches minimum and 0.5100 inches maximum outer member width, 30000 pounds static radial load rating

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Bore Diameter: 0.4995 inches minimum and 0.5000 inches maximum
Outer Member Outside Diameter: 0.9995 inches minimum and 1.0000 inches maximum
Outer Member Width: 0.5000 inches minimum and 0.5100 inches maximum
Inner Member Width: 0.6200 inches minimum and 0.6250 inches maximum
Static Radial Load Rating: 30000 pounds
Lubrication Feature: self-lubricating liner race liner
Special Features: ball bore only coated with specified lube
Material: grease lubrication
Material: plastic polytetrafluoroethylene and plastic phenolic race liner
Material: steel corrosion resisting outer race member
Material: steel comp e52100 inner member
Material Document And Classification: mil-g-23827 mil spec single material response lubrication
Surface Treatment: chromium inner member
Style Designator: with insert and/or liner

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
KWB8N	Self-Aligning Plain Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3120-01-309-4849?

The FSCG of the NSN 3120-01-309-4849 is 3120

Does the NSN 3120-01-309-4849 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-01-309-4849 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 3120-01-309-4849 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-309-4849 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 3120-01-309-4849 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Thu, Oct 19, 1989