B4B

View detailed technical data, stock status, and sourcing information for: B4B
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-613-1488

Item Name Code

13208

Assigment Date

02/12/1975 (51 years ago)

5000 pounds static radial load rating, 0.3700 inches minimum and 0.3750 inches maximum inner member width, 0.2760 inches minimum and 0.2810 inches maximum outer member width, 0.7495 inches minimum and 0.7500 inches maximum outer member outside diameter, 0.2495 inches minimum and 0.2500 inches maximum bore diameter

Product Characteristics

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

Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Outer Member Outside Diameter: 0.7495 inches minimum and 0.7500 inches maximum
Outer Member Width: 0.2760 inches minimum and 0.2810 inches maximum
Inner Member Width: 0.3700 inches minimum and 0.3750 inches maximum
Static Radial Load Rating: 5000 pounds
Hardness Rating: 57.0 rockwell c minimum and 61.0 rockwell c maximum inner member
Material: copper alloy outer race member
Material: steel comp e52100 inner member
Material Document And Classification: ams 6440 assn std single material response inner member
Surface Treatment: chromium inner member
Surface Treatment Document And Classification: ams 2406 assn std single treatment response inner member
Style Designator: without insert or liner

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
706B306P6	Self-Aligning Plain Bearing
B4B	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-613-1488?

The FSCG of the NSN 3120-00-613-1488 is 3120

Does the NSN 3120-00-613-1488 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-613-1488 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 3120-00-613-1488 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-613-1488 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 3120-00-613-1488 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Wed, Feb 12, 1975