A1493

View detailed technical data, stock status, and sourcing information for: A1493
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-729-6179

Item Name Code

00041

Assigment Date

01/01/1961 (65 years ago)

0.3120 inches nominal outer ring width, 2.5625 inches nominal bore diameter, 3.2500 inches nominal overall outside diameter, pressed retainer fabrication method, 0.3430 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: 2.5625 inches nominal
Overall Outside Diameter: 3.2500 inches nominal
Outer Ring Width: 0.3120 inches nominal
Inner Ring Width: 0.3430 inches nominal
Retainer Fabrication Method: pressed
Load Direction: radial
Special Features: radial clearance 0.0003 in. min to 0.0010 in. max,faces on one side flush inner ring extends one side
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-23827 mil spec single material response
Material: plastic phenolic retainer
Material: steel ball
Material: steel inner ring
Material: steel outer ring
Style Designator: single row, torque tube type, w/or w/o closure

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
247-955302	Airframe Ball Bearing
A1493	Airframe Ball Bearing
B547P3ASP	Airframe Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-729-6179?

The FSCG of the NSN 3110-00-729-6179 is 3110

Does the NSN 3110-00-729-6179 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105068

Does NSN 3110-00-729-6179 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 3110-00-729-6179 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-729-6179 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 3110-00-729-6179 was assigned to the Federal Catalog?

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