3110-00-278-6799

Find complete technical information, availability, and procurement data for: 3110-00-278-6799
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-278-6799

Item Name Code

00021

Assigment Date

01/01/1961 (65 years ago)

An antifriction bearing having a cylindrical rolling element and one spherical raceway which will adjust to varying degrees of shaft and/or support misalignment without damage to the raceways and permits the full rating of the bearing to be utilized.

4.7244 inches nominal overall outside diameter, 2.3622 inches nominal bore diameter, 2.5626 inches nominal overall width, 0.2188 inches nominal standout width, 0.0310 inches nominal backface corner radius

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 nominal
Bore Diameter: 2.3622 inches nominal
Overall Outside Diameter: 4.7244 inches nominal
Backface Corner Radius: 0.0310 inches nominal
Standout Width: 0.2188 inches nominal
Cone Corner Radius: 0.0780 inches nominal
Cup Width: 2.1250 inches nominal
Standard Tolerance Designation: afbma class 2
Special Features: oil hole and groove in cup
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
25Z261D2	Tapered Roller Bearing
476-472D	Tapered Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-278-6799?

The FSCG of the NSN 3110-00-278-6799 is 3110

Does the NSN 3110-00-278-6799 have a Schedule B code assigned?

Yes, the Schedule B code is 8482200030

Does NSN 3110-00-278-6799 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 3110-00-278-6799 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-278-6799 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 3110-00-278-6799 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961