A2250

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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-120-4371

Item Name Code

00051

Assigment Date

01/01/1961 (65 years ago)

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

rigid alignment type, afbma std tolerance for industrial needle bearings standard tolerance designation, 1.7500 inches nominal overall width, 2.3125 inches nominal overall outside diameter, 1.2500 inches nominal bore diameter

Product Characteristics

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

Overall Width: 1.7500 inches nominal
Bore Diameter: 1.2500 inches nominal
Overall Outside Diameter: 2.3125 inches nominal
Alignment Type: rigid
Standard Tolerance Designation: afbma std tolerance for industrial needle bearings
Special Features: oil hole and groove in outer race
Material: steel overall
Style Designator: non-separable, with roller retainer, hardened and ground

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-227-2218	No Name Available	10/01/1975
3810-00-977-8667	No Name Available	03/01/1977

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
160893	Needle Roller Bearing
25D179	Needle Roller Bearing
283720	Needle Roller Bearing
395971C	Needle Roller Bearing
59275	Needle Roller Bearing
6013143	Needle Roller Bearing
7315CT	Needle Roller Bearing
A2250	Needle Roller Bearing
A31911	Needle Roller Bearing
GR28	Needle Roller Bearing
H160893	Needle Roller Bearing
K2452B	Needle Roller Bearing
M0-28	Needle Roller Bearing
M028	Needle Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-120-4371?

The FSCG of the NSN 3110-00-120-4371 is 3110

Does the NSN 3110-00-120-4371 have a Schedule B code assigned?

Yes, the Schedule B code is 8482400000

Does NSN 3110-00-120-4371 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 3110-00-120-4371 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-120-4371 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 3110-00-120-4371 was assigned to the Federal Catalog?

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