20204DB

View detailed technical data, stock status, and sourcing information for: 20204DB

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20204DB
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-156-6768
Item Name Code
30213
Assigment Date
01/01/1963 (63 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.

28.0 millimeters nominal overall width, ground surface finish, 47.00 millimeters nominal overall outside diameter, 20.00 millimeters nominal bore diameter, pressed retainer fabrication method

Product Characteristics

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

Overall Width
28.0 millimeters nominal
Bore Diameter
20.00 millimeters nominal
Overall Outside Diameter
47.00 millimeters nominal
Surface Finish
ground
Retainer Fabrication Method
pressed
Load Direction
angular
Bearing Preload Designation
light
Standard Tolerance Designation
abec no.1
Material
unable to decode
Style Designator
counterbored outer rings, non-separable, back to back mounting

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3110-00-141-9331 No Name Available 03/17/1971

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
196726-8 Duplex Ball Bearing
20204DB Duplex Ball Bearing
216066-17 Duplex Ball Bearing
280449-4 Duplex Ball Bearing
363613-8 Duplex Ball Bearing
7204DB Duplex Ball Bearing
7204WDB Duplex Ball Bearing
9618568-1 Duplex Ball Bearing
P9618568-1 Duplex Ball Bearing
P9618568-2 Duplex Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-156-6768?
The FSCG of the NSN 3110-00-156-6768 is 3110
Does the NSN 3110-00-156-6768 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105068
Does NSN 3110-00-156-6768 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 3110-00-156-6768 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-156-6768 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 3110-00-156-6768 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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