143R7

View detailed technical data, stock status, and sourcing information for: 143R7
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-100-3624

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).

1.1142 inches nominal cone width, 1.7500 inches nominal bore diameter, steel overall material, 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: 1.7500 inches nominal
Cone Corner Radius: 0.1406 inches nominal
Cone Width: 1.1142 inches nominal
Standard Tolerance Designation: afbma class 2
Material: steel overall
Style Designator: steep angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-843-9113	No Name Available	09/18/1967

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
0325299	Tapered Roller Cone and Rollers
1-5745	Tapered Roller Cone and Rollers
137062H	Tapered Roller Cone and Rollers
143R7	Tapered Roller Cone and Rollers
1509052	Tapered Roller Cone and Rollers
190487	Tapered Roller Cone and Rollers
348489	Tapered Roller Cone and Rollers
53177	Tapered Roller Cone and Rollers
62AX302	Tapered Roller Cone and Rollers
8B4405	Tapered Roller Cone and Rollers
BT53177	Tapered Roller Cone and Rollers
GTBA19008	Tapered Roller Cone and Rollers
K53177	Tapered Roller Cone and Rollers
TVAA4621A	Tapered Roller Cone and Rollers

FAQs

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

What is the FSCG of the NSN 3110-00-100-3624?

The FSCG of the NSN 3110-00-100-3624 is 3110

Does the NSN 3110-00-100-3624 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-100-3624 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 3110-00-100-3624 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-100-3624 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 3110-00-100-3624 was assigned to the Federal Catalog?

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