28579-28520

View detailed technical data, stock status, and sourcing information for: 28579-28520
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 28579-28520 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-762-2221

Item Name Code

00021

Assigment Date

01/01/1960 (66 years ago)

An insulator that is essentially thin and flat, with one through hole centrally located. The general shape may vary by the addition of features such as beveled edges, indented surfaces, through hole keys, and/or peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. Excludes:items with more than one hole. See also insulator, disk; insulator, bead; insulator, bushing; and insulator, plate

1.0000 inches nominal overall width, 1.9680 inches nominal bore diameter, 0.7869 inches nominal outer ring width, 1.0000 inches nominal inner ring width, 3.3425 inches nominal overall outside 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: 1.0000 inches nominal
Bore Diameter: 1.9680 inches nominal
Overall Outside Diameter: 3.3425 inches nominal
Outer Ring Width: 0.7869 inches nominal
Inner Ring Width: 1.0000 inches nominal
Retainer Fabrication Method: pressed
Standard Tolerance Designation: afbma class 2
Lubrication Material: grease
Material: steel corrosion resisting overall
Style Designator: angular contact, concave rollers, separable

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-01-158-4178	No Name Available	07/01/2005

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
28579-28520	Tapered Roller Bearing
3110007622221	Tapered Roller Bearing
3110011584178	Tapered Roller Bearing
8738021	Tapered Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-762-2221?

The FSCG of the NSN 3110-00-762-2221 is 3110

Does the NSN 3110-00-762-2221 have a Schedule B code assigned?

Yes, the Schedule B code is 8482200030

Does NSN 3110-00-762-2221 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 3110-00-762-2221 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-762-2221 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 3110-00-762-2221 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960