KWB4-21

View detailed technical data, stock status, and sourcing information for: KWB4-21
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-508-7054

Item Name Code

13208

Assigment Date

07/26/1974 (52 years ago)

0.3220 inches minimum and 0.3320 inches maximum outer member width, 15600 pounds static radial load rating, 0.6245 inches minimum and 0.6250 inches maximum outer member outside diameter, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, 0.4320 inches minimum and 0.4370 inches maximum inner member width

Product Characteristics

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

Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Outer Member Outside Diameter: 0.6245 inches minimum and 0.6250 inches maximum
Outer Member Width: 0.3220 inches minimum and 0.3320 inches maximum
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Static Radial Load Rating: 15600 pounds
Special Features: operating temperature to 900 deg f
Material: steel comp 440c inner member
Material: steel corrosion resisting outer race member
Surface Treatment: chromium inner member
Style Designator: without insert or liner with staking groove

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
14-6023-04	Self-Aligning Plain Bearing
KWB4-20CRD22	Self-Aligning Plain Bearing
KWB4-21	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-508-7054?

The FSCG of the NSN 3120-00-508-7054 is 3120

Does the NSN 3120-00-508-7054 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-508-7054 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 3120-00-508-7054 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-508-7054 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 3120-00-508-7054 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Fri, Jul 26, 1974