GB520CN4

View detailed technical data, stock status, and sourcing information for: GB520CN4
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-032-3916

Item Name Code

00014

Assigment Date

10/28/1972 (53 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.

0.2500 inches nominal bore diameter, 0.2812 inches nominal overall width, pressed retainer fabrication method, 0.7500 inches nominal overall outside diameter, ground surface finish

Product Characteristics

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

Overall Width: 0.2812 inches nominal
Bore Diameter: 0.2500 inches nominal
Overall Outside Diameter: 0.7500 inches nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Shield Quantity: 2
Load Direction: radial
Bore Shape: straight
Internal Clearance: 0.0002 inches minimum radial and 0.0005 inches maximum radial
Standard Tolerance Designation: abec no.7
Lubrication Material: oil
Lubrication Material Document And Classification: mil-l-6085 mil spec single material response
Material: steel comp 440c overall
Material Document And Classification: 66 fed std single material response 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Below is a list of NSNs that have been officially superseded by this NSN: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
3110-00-009-1550	No Name Available	09/01/1984
3110-00-289-6817	No Name Available	03/01/2008
3110-00-807-8679	No Name Available	09/01/1990
3110-00-850-4081	No Name Available	01/01/1980

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
2663646-1	Annular Ball Bearing
77R4AXR1J	Annular Ball Bearing
7878778P1	Annular Ball Bearing
AMMS1KD	Annular Ball Bearing
AMVS1KDDE7973	Annular Ball Bearing
AMVS1KDDFS171	Annular Ball Bearing
GB520CN4	Annular Ball Bearing
SR4ASS	Annular Ball Bearing
SR4ASS011	Annular Ball Bearing
SR4ASS4-011	Annular Ball Bearing
SSR77R4A	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-032-3916?

The FSCG of the NSN 3110-00-032-3916 is 3110

Does the NSN 3110-00-032-3916 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-032-3916 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 3110-00-032-3916 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-032-3916 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 3110-00-032-3916 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sat, Oct 28, 1972