KRN-5-2

View detailed technical data, stock status, and sourcing information for: KRN-5-2
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-265-9057

Item Name Code

13208

Assigment Date

10/19/1987 (38 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.

0.9300 inches minimum and 0.9500 inches maximum outer member width, 17000 pounds static radial load rating, 1.0850 inches minimum and 1.0930 inches maximum inner member width, 0.3120 inches minimum and 0.3130 inches maximum bore diameter, 1.1600 inches nominal outer member outside 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: 0.3120 inches minimum and 0.3130 inches maximum
Outer Member Outside Diameter: 1.1600 inches nominal
Outer Member Width: 0.9300 inches minimum and 0.9500 inches maximum
Inner Member Width: 1.0850 inches minimum and 1.0930 inches maximum
Static Radial Load Rating: 17000 pounds
Hardness Rating: 55.0 rockwell c minimum and 61.0 rockwell c maximum inner member
Hardness Rating: 23.0 rockwell c minimum and 32.0 rockwell c maximum outer race member
Lubrication Feature: self-lubricating liner race liner
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 304 or steel comp 416 or steel comp 630 outer race member
Material: steel comp 440c or steel comp 440f inner member
Material Document And Classification: qq-s-763 fed spec all material responses inner member
Material Document And Classification: qq-s-763 fed spec 1st material response or astm a582 assn std 2nd material response or ams 5643 assn std 3rd material response outer race member

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
BACB10M7	Self-Aligning Plain Bearing
KRN-5-2	Self-Aligning Plain Bearing
YTA-108	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-265-9057?

The FSCG of the NSN 3120-01-265-9057 is 3120

Does the NSN 3120-01-265-9057 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-01-265-9057 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-01-265-9057 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-265-9057 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 3120-01-265-9057 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Oct 19, 1987