21D230

View detailed technical data, stock status, and sourcing information for: 21D230
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-277-0509

Item Name Code

00014

Assigment Date

01/01/1963 (63 years ago)

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

0.6593 inches minimum and 0.6613 inches maximum overall width, 2.8341 inches minimum and 2.8346 inches maximum overall outside diameter, pressed retainer fabrication method, ground surface finish, 1.3775 inches minimum and 1.3780 inches maximum 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: 0.6593 inches minimum and 0.6613 inches maximum
Bore Diameter: 1.3775 inches minimum and 1.3780 inches maximum
Overall Outside Diameter: 2.8341 inches minimum and 2.8346 inches maximum
Surface Finish: ground
Retainer Fabrication Method: pressed
Load Direction: radial
Bore Shape: straight
Internal Clearance: 0.0005 inches minimum radial and 0.0011 inches maximum radial and 0.0020 inches minimum axial and 0.0060 inches maximum axial
Standard Tolerance Designation: abec no.1
Special Features: internal clearance and end play measured under an 11 lb load
Material: steel overall
Style Designator: non-loading groove, non-separable

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
207S20	Annular Ball Bearing
21D230	Annular Ball Bearing
468107	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-277-0509?

The FSCG of the NSN 3110-00-277-0509 is 3110

Does the NSN 3110-00-277-0509 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-277-0509 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 3110-00-277-0509 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-277-0509 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 3110-00-277-0509 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963