AV8K20DDB

View detailed technical data, stock status, and sourcing information for: AV8K20DDB
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-013-4040

Item Name Code

30213

Assigment Date

12/03/1975 (50 years ago)

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

0.2812 inches nominal overall width, 0.3125 inches nominal overall outside diameter, ground surface finish, unable to decode lubrication material, 0.1250 inches nominal bore diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Width: 0.2812 inches nominal
Bore Diameter: 0.1250 inches nominal
Overall Outside Diameter: 0.3125 inches nominal
Lubrication Material: unable to decode
Surface Finish: ground
Retainer Fabrication Method: stamped
Shield Quantity: 2
Load Direction: radial
Internal Clearance: 0.0003 inches minimum radial and 0.0005 inches maximum radial
Standard Tolerance Designation: abec no. 5p
Bearing Preload Rating: 4.0 pounds nominal
Special Features: pair of bearings duplex mounted back to back
Lubrication Material Document And Classification: mil-l-6085 mil spec single material response
Style Designator: non-loading groove, non-separable, tandem mounting

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
901811-1C	Duplex Ball Bearing
AV8K20DDB	Duplex Ball Bearing
S518RH5P35L0-2DB1/4	Duplex Ball Bearing
SR2-5SWDB2 1/2-011	Duplex Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-013-4040?

The FSCG of the NSN 3110-01-013-4040 is 3110

Does the NSN 3110-01-013-4040 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105068

Does NSN 3110-01-013-4040 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 3110-01-013-4040 contain precious materials?

Precious metal content is unknown

Does NSN 3110-01-013-4040 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 3110-01-013-4040 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Wed, Dec 3, 1975