7178-1

View detailed technical data, stock status, and sourcing information for: 7178-1
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-175-2549

Item Name Code

30213

Assigment Date

12/03/1971 (54 years ago)

7.1238 inches minimum and 7.1250 inches maximum overall outside diameter, pressed retainer fabrication method, ground surface finish, 6.4990 inches minimum and 6.5000 inches maximum bore diameter, 0.6100 inches minimum and 0.6250 inches maximum overall width

Product Characteristics

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

Overall Width: 0.6100 inches minimum and 0.6250 inches maximum
Bore Diameter: 6.4990 inches minimum and 6.5000 inches maximum
Overall Outside Diameter: 7.1238 inches minimum and 7.1250 inches maximum
Surface Finish: ground
Retainer Fabrication Method: pressed
Load Direction: angular
Bearing Preload Rating: 50.0 pounds nominal
Special Features: 0.0000 to 0.0010 in. space between inner ring faces under 50 lb load,etch v on bore and od to indicate proper installation position
Material: unable to decode
Special Test Features: special quality control testing
Style Designator: counterbored outer rings, non-separable, back to back mounting
Test Data Document: "81349-mil-p-23199 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

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
7178-1	Duplex Ball Bearing
7178201	Duplex Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-175-2549?

The FSCG of the NSN 3110-00-175-2549 is 3110

Does the NSN 3110-00-175-2549 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105068

Does NSN 3110-00-175-2549 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 3110-00-175-2549 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-175-2549 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 3110-00-175-2549 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Dec 3, 1971