ST781A

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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-142-4364

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).

steel overall material, 0.8820 inches nominal cone width, 1.6880 inches nominal bore diameter, afbma class 2 standard tolerance designation, 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: 1.6880 inches nominal
Cone Corner Radius: 0.1406 inches nominal
Cone Width: 0.8820 inches nominal
Standard Tolerance Designation: afbma class 2
Material: steel overall
Style Designator: normal angle

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
148346	Tapered Roller Cone and Rollers
165667	Tapered Roller Cone and Rollers
188445	Tapered Roller Cone and Rollers
21282	Tapered Roller Cone and Rollers
2SD71	Tapered Roller Cone and Rollers
2X6587A	Tapered Roller Cone and Rollers
3110001424364	Tapered Roller Cone and Rollers
312S51	Tapered Roller Cone and Rollers
314951	Tapered Roller Cone and Rollers
314957	Tapered Roller Cone and Rollers
342S	Tapered Roller Cone and Rollers
397324	Tapered Roller Cone and Rollers
54234H	Tapered Roller Cone and Rollers
607T5	Tapered Roller Cone and Rollers
62AX324	Tapered Roller Cone and Rollers
BB16275	Tapered Roller Cone and Rollers
BT342S	Tapered Roller Cone and Rollers
D-24675	Tapered Roller Cone and Rollers
GTB7873	Tapered Roller Cone and Rollers
JD7363	Tapered Roller Cone and Rollers
K342S	Tapered Roller Cone and Rollers
PT101	Tapered Roller Cone and Rollers
ST781	Tapered Roller Cone and Rollers
ST781A	Tapered Roller Cone and Rollers

FAQs

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

What is the FSCG of the NSN 3110-00-142-4364?

The FSCG of the NSN 3110-00-142-4364 is 3110

Does the NSN 3110-00-142-4364 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-142-4364 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 3110-00-142-4364 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-142-4364 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 3110-00-142-4364 was assigned to the Federal Catalog?

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