25521

View detailed technical data, stock status, and sourcing information for: 25521
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-100-0545

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.

3.2700 inches nominal outside diameter, 0.7500 inches nominal overall width, steel overall material, 0.1250 inches nominal backface corner radius, 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: 3.2700 inches nominal
Overall Width: 0.7500 inches nominal
Backface Corner Radius: 0.1250 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Below is a list of NSNs that have been officially superseded by this NSN: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
2530-00-110-9576	No Name Available	04/20/1973
3110-00-479-8866	No Name Available	01/01/1990
3110-00-843-4181	No Name Available	07/29/1967
2990-00-895-3402	No Name Available	05/01/1999

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
1217-77	Tapered Roller Bearing Cup
1300194	Tapered Roller Bearing Cup
25521	Tapered Roller Bearing Cup
2F8508	Tapered Roller Bearing Cup
4253291	Tapered Roller Bearing Cup
432777	Tapered Roller Bearing Cup
65681R1	Tapered Roller Bearing Cup
706851	Tapered Roller Bearing Cup
AA59649-270B	Tapered Roller Bearing Cup
BT25521	Tapered Roller Bearing Cup
ST977	Tapered Roller Bearing Cup

FAQs

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

What is the FSCG of the NSN 3110-00-100-0545?

The FSCG of the NSN 3110-00-100-0545 is 3110

Does the NSN 3110-00-100-0545 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-100-0545 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 3110-00-100-0545 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-100-0545 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 3110-00-100-0545 was assigned to the Federal Catalog?

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