749S

View detailed technical data, stock status, and sourcing information for: 749S
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-198-2948

Item Name Code

00023

Assigment Date

01/01/1963 (63 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).

0.2030 inches nominal cone corner radius, 3.3475 inches nominal bore diameter, afbma class 2 standard tolerance designation, 1.8375 inches nominal cone width, steel overall material

Product Characteristics

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

Bore Diameter: 3.3475 inches nominal
Cone Corner Radius: 0.2030 inches nominal
Cone Width: 1.8375 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
2X6682	Tapered Roller Cone and Rollers
2X6682A	Tapered Roller Cone and Rollers
749S	Tapered Roller Cone and Rollers

FAQs

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

What is the FSCG of the NSN 3110-00-198-2948?

The FSCG of the NSN 3110-00-198-2948 is 3110

Does the NSN 3110-00-198-2948 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-198-2948 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 3110-00-198-2948 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-198-2948 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 3110-00-198-2948 was assigned to the Federal Catalog?

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