KSBN4-31A

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KSBN4-31A
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-00-763-1457
Item Name Code
13208
Assigment Date
01/01/1961 (65 years ago)

A component of an electronic navigation system that follows and remains in the center of a doppler frequency or frequency chain spectrum. Its output signal is used in applications, such as antenna steering through an associated servo loop, and for the display of drift angle and ground speed. See also computer (1)-frequency tracker, air navigation.

0.4590 inches minimum and 0.4640 inches maximum outer member width, 0.9009 inches minimum and 0.9014 inches maximum outer member outside diameter, 9000 pounds static radial load rating, 0.6200 inches minimum and 0.6250 inches maximum inner member width, 0.2495 inches minimum and 0.2500 inches maximum bore diameter

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
0.9009 inches minimum and 0.9014 inches maximum
Outer Member Width
0.4590 inches minimum and 0.4640 inches maximum
Inner Member Width
0.6200 inches minimum and 0.6250 inches maximum
Static Radial Load Rating
9000 pounds
Hardness Rating
57.0 rockwell c nominal inner member
Material
plastic polytetrafluoroethylene and cotton race liner
Material
steel outer race member
Material
steel comp e52100 or steel comp 440c inner member
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
10-60545-122 Self-Aligning Plain Bearing
BACB10M10 Self-Aligning Plain Bearing
KSBN4-3 Self-Aligning Plain Bearing
KSBN4-31A Self-Aligning Plain Bearing
TBR4 Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-763-1457?
The FSCG of the NSN 3120-00-763-1457 is 3120
Does the NSN 3120-00-763-1457 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-00-763-1457 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 3120-00-763-1457 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-763-1457 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 3120-00-763-1457 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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