HSB4D7

View detailed technical data, stock status, and sourcing information for: HSB4D7
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-068-8716

Item Name Code

13208

Assigment Date

01/01/1963 (63 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

0.2450 inches minimum and 0.2550 inches maximum outer member width, 0.6557 inches minimum and 0.6562 inches maximum outer member outside diameter, 4200 pounds static radial load rating, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, 0.3380 inches minimum and 0.3430 inches maximum inner member 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: 0.2495 inches minimum and 0.2500 inches maximum
Outer Member Outside Diameter: 0.6557 inches minimum and 0.6562 inches maximum
Outer Member Width: 0.2450 inches minimum and 0.2550 inches maximum
Inner Member Width: 0.3380 inches minimum and 0.3430 inches maximum
Static Radial Load Rating: 4200 pounds
Hardness Rating: 57.0 rockwell c minimum and 61.0 rockwell c maximum inner member
Lubrication Feature: groove internal outer member
Lubrication Feature: perforation outer race member
Material: copper alloy outer race member
Material: steel comp e52100 inner member
Surface Treatment: chromium 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
HSB4D7	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-068-8716?

The FSCG of the NSN 3120-00-068-8716 is 3120

Does the NSN 3120-00-068-8716 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-068-8716 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 3120-00-068-8716 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-068-8716 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 3120-00-068-8716 was assigned to the Federal Catalog?

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