BT28521

View detailed technical data, stock status, and sourcing information for: BT28521
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-100-0565

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, 0.0312 inches nominal backface corner radius, 3.6250 inches nominal outside diameter, steel overall material, 0.7813 inches nominal overall width

Product Characteristics

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

Outside Diameter: 3.6250 inches nominal
Overall Width: 0.7813 inches nominal
Backface Corner Radius: 0.0312 inches nominal
Standard Tolerance Designation: afbma class 2
Material: steel overall
Style Designator: normal angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-843-5376	No Name Available	08/11/1967
3110-01-512-9410	No Name Available	06/01/2015

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
114979H	Tapered Roller Bearing Cup
28521	Tapered Roller Bearing Cup
30147	Tapered Roller Bearing Cup
404913-001	Tapered Roller Bearing Cup
461267	Tapered Roller Bearing Cup
510-28521-6	Tapered Roller Bearing Cup
691241	Tapered Roller Bearing Cup
706872	Tapered Roller Bearing Cup
856250	Tapered Roller Bearing Cup
BT28521	Tapered Roller Bearing Cup
FFB187/01-TYPE ABMA 28521	Tapered Roller Bearing Cup
K28521	Tapered Roller Bearing Cup
ST964	Tapered Roller Bearing Cup

FAQs

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

What is the FSCG of the NSN 3110-00-100-0565?

The FSCG of the NSN 3110-00-100-0565 is 3110

Does the NSN 3110-00-100-0565 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-100-0565 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 3110-00-100-0565 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-100-0565 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 3110-00-100-0565 was assigned to the Federal Catalog?

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