125AC

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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-554-3931

Item Name Code

00014

Assigment Date

01/01/1963 (63 years ago)

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

25.00 millimeters nominal bore diameter, 52.00 millimeters nominal overall outside diameter, pressed retainer fabrication method, ground surface finish, 15.0 millimeters 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.

Overall Width: 15.0 millimeters nominal
Bore Diameter: 25.00 millimeters nominal
Overall Outside Diameter: 52.00 millimeters nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Load Direction: angular
Bore Shape: straight
Standard Tolerance Designation: abec no.1
Contact Angle: 25.0 degrees maximum
Material: steel overall
Style Designator: counterbored outer ring, non-separable

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-156-6781	No Name Available	06/01/1976
3110-01-194-9907	No Name Available	04/01/1986

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
05-0838	Annular Ball Bearing
10387473	Annular Ball Bearing
125AC	Annular Ball Bearing
20205-1A	Annular Ball Bearing
47-3206-10	Annular Ball Bearing
7205W	Annular Ball Bearing
7205WFS230	Annular Ball Bearing
AA59625-105JABT	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-554-3931?

The FSCG of the NSN 3110-00-554-3931 is 3110

Does the NSN 3110-00-554-3931 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-554-3931 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 3110-00-554-3931 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-554-3931 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 3110-00-554-3931 was assigned to the Federal Catalog?

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