3A1290

View detailed technical data, stock status, and sourcing information for: 3A1290
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-100-3612

Item Name Code

00023

Assigment Date

01/01/1961 (65 years ago)

An assembled inner component of a tapered roller bearing, consisting of a cone (which provides a contact surface for the rolling elements of the bearing), a complement of tapered rollers (the rolling elements), and frequently a retainer (which spaces the rolling elements).

afbma class 2 standard tolerance designation, steel overall material, 1.3750 inches nominal cone width, 0.1406 inches nominal cone corner radius, 4.2500 inches nominal bore diameter

Product Characteristics

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

Bore Diameter: 4.2500 inches nominal
Cone Corner Radius: 0.1406 inches nominal
Cone Width: 1.3750 inches nominal
Standard Tolerance Designation: afbma class 2
Material: steel overall
Style Designator: normal angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-843-8959	No Name Available	09/27/1967

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
067125	Tapered Roller Cone and Rollers
13-4-40487	Tapered Roller Cone and Rollers
1X3308	Tapered Roller Cone and Rollers
2018184	Tapered Roller Cone and Rollers
24652	Tapered Roller Cone and Rollers
3024652	Tapered Roller Cone and Rollers
3024652-4	Tapered Roller Cone and Rollers
312814	Tapered Roller Cone and Rollers
3A1290	Tapered Roller Cone and Rollers
48190	Tapered Roller Cone and Rollers
49190	Tapered Roller Cone and Rollers
672182	Tapered Roller Cone and Rollers
93241	Tapered Roller Cone and Rollers
A12915	Tapered Roller Cone and Rollers
AA59649-710A	Tapered Roller Cone and Rollers
D-36578	Tapered Roller Cone and Rollers
LA275-11	Tapered Roller Cone and Rollers
LA725-11	Tapered Roller Cone and Rollers
RD36578	Tapered Roller Cone and Rollers

FAQs

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

What is the FSCG of the NSN 3110-00-100-3612?

The FSCG of the NSN 3110-00-100-3612 is 3110

Does the NSN 3110-00-100-3612 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-100-3612 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 3110-00-100-3612 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-100-3612 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 3110-00-100-3612 was assigned to the Federal Catalog?

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