KRN-5-2 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: KRN-5-2 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: KRN-5-2. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: KRN-5-2
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-265-9057
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 10/19/1987

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 item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

1.0850 inches minimum and 1.0930 inches maximum inner member width, self-lubricating liner race liner lubrication feature, 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 hardness rating, 0.3120 inches minimum and 0.3130 inches maximum bore diameter

Datasheet

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Bore Diameter: 0.3120 inches minimum and 0.3130 inches maximum
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
Inner Member Width: 1.0850 inches minimum and 1.0930 inches maximum
Lubrication Feature: self-lubricating liner race liner
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
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
Outer Member Outside Diameter: 1.1600 inches nominal
Outer Member Width: 0.9300 inches minimum and 0.9500 inches maximum
Static Radial Load Rating: 17000 pounds

Frequently Asked Questions

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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.