21D333

View detailed technical data, stock status, and sourcing information for: 21D333
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-794-7284

Item Name Code

00014

Assigment Date

01/01/1962 (64 years ago)

machined retainer fabrication method, 3.9344 inches minimum and 3.9353 inches maximum bore diameter, 1.1004 inches minimum and 1.1024 inches maximum overall width, 7.0876 inches minimum and 7.0886 inches maximum overall outside diameter, ground surface finish

Product Characteristics

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

Overall Width: 1.1004 inches minimum and 1.1024 inches maximum
Bore Diameter: 3.9344 inches minimum and 3.9353 inches maximum
Overall Outside Diameter: 7.0876 inches minimum and 7.0886 inches maximum
Surface Finish: ground
Retainer Fabrication Method: machined
Load Direction: radial
Bore Shape: straight
Internal Clearance: 0.0013 inches minimum radial and 0.0020 inches maximum radial
Criticality Code Justification: test
Bearing Preload Rating: 22.0 pounds nominal
Special Features: retainer silver plated 0.0005 to 0.0015 in. thk
Material: copper alloy retainer
Material: steel comp e52100 ball
Material: steel comp e52100 inner ring
Material: steel comp e52100 outer ring
Style Designator: 4 point ball contact, split inner ring, separable
Test Data Document: 66640-21d333 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

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
21D333	Annular Ball Bearing
461640	Annular Ball Bearing
9220-U-24	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-794-7284?

The FSCG of the NSN 3110-00-794-7284 is 3110

Does the NSN 3110-00-794-7284 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-794-7284 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 3110-00-794-7284 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-794-7284 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 3110-00-794-7284 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962