742259

View detailed technical data, stock status, and sourcing information for: 742259
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-143-7538

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, 1.1875 inches nominal cone width, axial distance between center of roller contact line and cone stability point on shaft axis 0.2600 in. special features, 2.6250 inches nominal bore diameter, 0.1406 inches nominal cone corner radius

Product Characteristics

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

Bore Diameter: 2.6250 inches nominal
Cone Corner Radius: 0.1406 inches nominal
Cone Width: 1.1875 inches nominal
Standard Tolerance Designation: afbma class 2
Special Features: axial distance between center of roller contact line and cone stability point on shaft axis 0.2600 in.
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Below is a list of NSNs that have been officially superseded by this NSN: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
2530-00-111-6481	No Name Available	07/16/1971
3110-00-586-9874	No Name Available	03/01/1976
3110-00-843-3216	No Name Available	07/29/1967
3110-00-892-0730	No Name Available	11/20/1967
3110-00-896-7340	No Name Available	07/15/1968
3110-00-896-7753	No Name Available	10/20/1967
2520-00-962-8679	No Name Available	03/01/1990

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
001-230325	Tapered Roller Cone and Rollers
0BT39590	Tapered Roller Cone and Rollers
1-7451072	Tapered Roller Cone and Rollers
1662793	Tapered Roller Cone and Rollers
17X185	Tapered Roller Cone and Rollers
230325	Tapered Roller Cone and Rollers
233273	Tapered Roller Cone and Rollers
2622926	Tapered Roller Cone and Rollers
3110001437538	Tapered Roller Cone and Rollers
31J14	Tapered Roller Cone and Rollers
34590	Tapered Roller Cone and Rollers
369A1254	Tapered Roller Cone and Rollers
3K3036	Tapered Roller Cone and Rollers
4-183-68	Tapered Roller Cone and Rollers
443386	Tapered Roller Cone and Rollers
50120	Tapered Roller Cone and Rollers
712868	Tapered Roller Cone and Rollers
7411376	Tapered Roller Cone and Rollers
741376	Tapered Roller Cone and Rollers
742259	Tapered Roller Cone and Rollers
7451072	Tapered Roller Cone and Rollers
7451579	Tapered Roller Cone and Rollers
7EQH-1240	Tapered Roller Cone and Rollers
83572	Tapered Roller Cone and Rollers
9-049-103801	Tapered Roller Cone and Rollers
9414175	Tapered Roller Cone and Rollers
942029	Tapered Roller Cone and Rollers
A127418	Tapered Roller Cone and Rollers
AA59649-493A	Tapered Roller Cone and Rollers
E050461	Tapered Roller Cone and Rollers
FF-B-187/01-493	Tapered Roller Cone and Rollers
FP39590	Tapered Roller Cone and Rollers
HM-39590	Tapered Roller Cone and Rollers
JD8130R	Tapered Roller Cone and Rollers
ST2018A	Tapered Roller Cone and Rollers

FAQs

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

What is the FSCG of the NSN 3110-00-143-7538?

The FSCG of the NSN 3110-00-143-7538 is 3110

Does the NSN 3110-00-143-7538 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-143-7538 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 3110-00-143-7538 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-143-7538 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 3110-00-143-7538 was assigned to the Federal Catalog?

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