ST518

View detailed technical data, stock status, and sourcing information for: ST518
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-156-3548

Item Name Code

00014

Assigment Date

01/01/1961 (65 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, 0.5910 inches nominal outer ring width, ground surface finish, 0.6590 inches nominal inner ring width

Product Characteristics

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

Bore Diameter: 25.00 millimeters nominal
Overall Outside Diameter: 52.00 millimeters nominal
Outer Ring Width: 0.5910 inches nominal
Inner Ring Width: 0.6590 inches nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Seal Quantity: 2
Bearing Seal Type: contact
Load Direction: radial
Bore Shape: straight
Internal Fit-Up Designation: standard
Standard Tolerance Designation: abec no.1
Lubrication Material: grease
Lubrication Material Document And Classification: dod-g-24508 mil spec single material response
Material: steel overall
Style Designator: non-loading groove, non-separable
Nondefinitive Spec/Std Data: 117 type and 2 class and 00 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2530-00-016-9866	No Name Available	01/02/1969
3110-00-227-2380	No Name Available	06/07/1974

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
0171	Annular Ball Bearing
0930502-0	Annular Ball Bearing
118-18BD	Annular Ball Bearing
13891A	Annular Ball Bearing
160752	Annular Ball Bearing
205KLL2	Annular Ball Bearing
280026-136	Annular Ball Bearing
388708-5	Annular Ball Bearing
48505D	Annular Ball Bearing
504K35	Annular Ball Bearing
507224	Annular Ball Bearing
5746911	Annular Ball Bearing
700927	Annular Ball Bearing
70930502	Annular Ball Bearing
74710A	Annular Ball Bearing
88505	Annular Ball Bearing
88505CE1SA2	Annular Ball Bearing
88505X1C	Annular Ball Bearing
954165	Annular Ball Bearing
A059052	Annular Ball Bearing
A060090	Annular Ball Bearing
C88505	Annular Ball Bearing
C88505X1270CC	Annular Ball Bearing
C88505X1C	Annular Ball Bearing
EH3754-11	Annular Ball Bearing
FS88505	Annular Ball Bearing
H160752	Annular Ball Bearing
H25X276	Annular Ball Bearing
JD7158H	Annular Ball Bearing
KL47000-5	Annular Ball Bearing
MS27649-16	Annular Ball Bearing
ST518	Annular Ball Bearing
T490	Annular Ball Bearing
Z781	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-156-3548?

The FSCG of the NSN 3110-00-156-3548 is 3110

Does the NSN 3110-00-156-3548 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-156-3548 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 3110-00-156-3548 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-156-3548 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 3110-00-156-3548 was assigned to the Federal Catalog?

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