493S

View detailed technical data, stock status, and sourcing information for: 493S
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-143-2981

Item Name Code

00024

Assigment Date

01/01/1963 (63 years ago)

An outer component of a tapered roller bearing which provides a contact surface for the rolling elements of the bearing.

0.1250 inches nominal backface corner radius, steel overall material, 1.1600 inches nominal overall width, 5.3750 inches nominal outside diameter, afbma class 2 standard tolerance designation

Product Characteristics

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

Outside Diameter: 5.3750 inches nominal
Overall Width: 1.1600 inches nominal
Backface Corner Radius: 0.1250 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
103S64	Tapered Roller Bearing Cup
493S	Tapered Roller Bearing Cup

FAQs

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

What is the FSCG of the NSN 3110-00-143-2981?

The FSCG of the NSN 3110-00-143-2981 is 3110

Does the NSN 3110-00-143-2981 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-143-2981 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 3110-00-143-2981 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-143-2981 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 3110-00-143-2981 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963