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

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.