21D242

View detailed technical data, stock status, and sourcing information for: 21D242
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-277-0511

Item Name Code

00014

Assigment Date

01/01/1963 (63 years ago)

1.8479 inches minimum and 1.8504 inches maximum overall outside diameter, 0.4624 inches minimum and 0.4644 inches maximum overall width, 0.9839 inches minimum and 0.9843 inches maximum bore diameter, ground surface finish, radial load direction

Product Characteristics

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

Overall Width: 0.4624 inches minimum and 0.4644 inches maximum
Bore Diameter: 0.9839 inches minimum and 0.9843 inches maximum
Overall Outside Diameter: 1.8479 inches minimum and 1.8504 inches maximum
Surface Finish: ground
Load Direction: radial
Bore Shape: straight
Internal Clearance: 0.0002 inches minimum radial and 0.0005 inches maximum radial and 0.0020 inches minimum axial and 0.0050 inches maximum axial
Special Features: cross corner tolerance w/end play removed 0.464 in. to 0.4624 in.; selected,classified and tested by the assy mfr at his plant; internal clearance measured under an 11 lb. load; end play measured under 5.5 lb. load
Material: steel ball
Material: steel inner ring
Material: steel outer ring
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
21D242	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-277-0511?

The FSCG of the NSN 3110-00-277-0511 is 3110

Does the NSN 3110-00-277-0511 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-277-0511 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 3110-00-277-0511 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-277-0511 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 3110-00-277-0511 was assigned to the Federal Catalog?

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