53398

View detailed technical data, stock status, and sourcing information for: 53398
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-143-2978

Item Name Code

00024

Assigment Date

01/01/1961 (65 years ago)

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

afbma class 2 standard tolerance designation, 1.6369 inches nominal overall width, steep angle special features, 0.0630 inches nominal backface corner radius, 3.8750 inches nominal outside diameter

Product Characteristics

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

Outside Diameter: 3.8750 inches nominal
Overall Width: 1.6369 inches nominal
Backface Corner Radius: 0.0630 inches nominal
Standard Tolerance Designation: afbma class 2
Special Features: steep angle
Material: steel overall

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
1-5744	Tapered Roller Bearing Cup
143C71	Tapered Roller Bearing Cup
53398	Tapered Roller Bearing Cup
C203B	Tapered Roller Bearing Cup

FAQs

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

What is the FSCG of the NSN 3110-00-143-2978?

The FSCG of the NSN 3110-00-143-2978 is 3110

Does the NSN 3110-00-143-2978 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-143-2978 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 3110-00-143-2978 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-143-2978 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 3110-00-143-2978 was assigned to the Federal Catalog?

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