KMDB8-8 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: KMDB8-8 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: KMDB8-8. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: KMDB8-8
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-133-2022
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 06/11/1982

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.

23.0 rockwell c minimum and 37.0 rockwell c maximum overall hardness rating, aircraft model h-1 end item identification, 0.8730 inches minimum and 0.8750 inches maximum inner member width, 0.4995 inches minimum and 0.5000 inches maximum bore diameter, ams 5643 assn std single material response overall material document and classification

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-133-2022 . Find dimensions, materials, tolerances, performance characteristics, etc.

End Item Identification: aircraft model h-1
Bore Diameter: 0.4995 inches minimum and 0.5000 inches maximum
Hardness Rating: 23.0 rockwell c minimum and 37.0 rockwell c maximum overall
Inner Member Width: 0.8730 inches minimum and 0.8750 inches maximum
Material Document And Classification: ams 5643 assn std single material response overall
Material: steel and plastic overall
Outer Member Outside Diameter: 1.2495 inches minimum and 1.2500 inches maximum
Outer Member Width: 0.6820 inches minimum and 0.6920 inches maximum
Style Designator: with insert and/or liner with staking groove
Surface Treatment Document And Classification: qq-c-320 fed spec single treatment response left end surface
Surface Treatment: chromium inner member

Replaces

The NSN 3120-01-133-2022 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-527-7620	No Name Available	06/01/2007

Frequently Asked Questions

Find quick answers to common questions about bearing: KMDB8-8. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-133-2022?: The FSCG of the NSN 3120-01-133-2022 is 3120

Does the NSN 3120-01-133-2022 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-133-2022 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 3120-01-133-2022 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-133-2022 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.