A-20189

View detailed technical data, stock status, and sourcing information for: A-20189
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 A-20189 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

3110-01-315-5572

Item Name Code

00021

Assigment Date

02/18/1990 (36 years ago)

An assembled inner component of a roller bearing, consisting of a frame or inclosure which spaces and retains the rolling elements of a bearing, roller (as modified) and the rollers which are the rolling elements in a bearing, roller (as modified).

4.2500 inches minimum and 4.2510 inches maximum overall outside diameter, 0.0300 inches nominal backface corner radius, 2.5626 inches minimum and 2.5786 inches maximum overall width, 2.2500 inches minimum and 2.2505 inches maximum bore diameter, 0.2188 inches nominal standout width

Product Characteristics

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

Overall Width: 2.5626 inches minimum and 2.5786 inches maximum
Bore Diameter: 2.2500 inches minimum and 2.2505 inches maximum
Overall Outside Diameter: 4.2500 inches minimum and 4.2510 inches maximum
Backface Corner Radius: 0.0300 inches nominal
Standout Width: 0.2188 inches nominal
Cone Corner Radius: 0.1400 inches nominal
Cone Width: 1.1542 inches nominal
Cup Width: 2.1250 inches nominal
Material: steel overall
Style Designator: straight bore, double cup, single cones

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
469-452D-X2S462 ASSY#90084	Tapered Roller Bearing
90084	Tapered Roller Bearing
A-20189	Tapered Roller Bearing
A50680	Tapered Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-315-5572?

The FSCG of the NSN 3110-01-315-5572 is 3110

Does the NSN 3110-01-315-5572 have a Schedule B code assigned?

Yes, the Schedule B code is 8482200030

Does NSN 3110-01-315-5572 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 3110-01-315-5572 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-315-5572 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 3110-01-315-5572 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sun, Feb 18, 1990