31858

View detailed technical data, stock status, and sourcing information for: 31858
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-227-2973

Item Name Code

00014

Assigment Date

01/01/1963 (63 years ago)

0.5000 inches nominal overall outside diameter, 0.1875 inches nominal bore diameter, pressed retainer fabrication method, 0.1970 inches nominal overall width, 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: 0.1970 inches nominal
Bore Diameter: 0.1875 inches nominal
Overall Outside Diameter: 0.5000 inches nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Shield Quantity: 2
Load Direction: radial
Bore Shape: straight
Internal Clearance: 0.0001 inches minimum radial and 0.0004 inches maximum radial
Standard Tolerance Designation: abec no.1
Special Features: bore tolerance not to exceed 0.0003 in. to obtain operation of 20000 to 30000 rpm
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-23827 mil spec single material response
Material: steel overall
Style Designator: non-loading groove, non-separable

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
07-1125-01	Annular Ball Bearing
31858	Annular Ball Bearing
31858-01	Annular Ball Bearing
33KDD5FS55743	Annular Ball Bearing
33KDD5FS55743MILG3278A	Annular Ball Bearing
77R3S1482MILG3278	Annular Ball Bearing
77R3ZB1296MILG32	Annular Ball Bearing
77R3ZB1296MILG3278A	Annular Ball Bearing
R3FFMB106E019A75X0152R	Annular Ball Bearing
R3FFQXAP7MILG3278	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-227-2973?

The FSCG of the NSN 3110-00-227-2973 is 3110

Does the NSN 3110-00-227-2973 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-227-2973 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 3110-00-227-2973 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-227-2973 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 3110-00-227-2973 was assigned to the Federal Catalog?

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