R4A4ST

View detailed technical data, stock status, and sourcing information for: R4A4ST
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-157-1942

Item Name Code

00014

Assigment Date

01/01/1961 (65 years ago)

0.2187 inches nominal overall width, pressed retainer fabrication method, 0.7500 inches nominal overall outside diameter, ground surface finish, 0.2500 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: 0.2187 inches nominal
Bore Diameter: 0.2500 inches nominal
Overall Outside Diameter: 0.7500 inches nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Load Direction: radial
Bore Shape: straight
Internal Fit-Up Designation: standard
Standard Tolerance Designation: abec no.1
Material: steel corrosion resisting overall
Style Designator: non-loading groove, non-separable

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-183-9979	No Name Available	02/16/1970
3110-00-930-6739	No Name Available	01/04/1971

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
283X53	Annular Ball Bearing
4931676P24	Annular Ball Bearing
4935457P6	Annular Ball Bearing
4938265P15	Annular Ball Bearing
511541	Annular Ball Bearing
5325338P18	Annular Ball Bearing
5325817P46	Annular Ball Bearing
5327740P15	Annular Ball Bearing
5329426P43	Annular Ball Bearing
5329526P34	Annular Ball Bearing
7019737P1	Annular Ball Bearing
8589767	Annular Ball Bearing
AS1K	Annular Ball Bearing
AS1KE4956	Annular Ball Bearing
FS916	Annular Ball Bearing
R4A4ST	Annular Ball Bearing
R4A4STB106A023H14S0000	Annular Ball Bearing
S1RR4	Annular Ball Bearing
S1RSS	Annular Ball Bearing
SSR4A	Annular Ball Bearing
SSR4AXR1	Annular Ball Bearing
SSR4AXR1E	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-157-1942?

The FSCG of the NSN 3110-00-157-1942 is 3110

Does the NSN 3110-00-157-1942 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-157-1942 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 3110-00-157-1942 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-157-1942 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 3110-00-157-1942 was assigned to the Federal Catalog?

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