3120-00-103-9788

Find complete technical information, availability, and procurement data for: 3120-00-103-9788
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-103-9788

Item Name Code

13208

Assigment Date

06/19/1968 (58 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.

622300 pounds static radial load rating, 2.1820 inches minimum and 2.1870 inches maximum inner member width, 2.4994 inches minimum and 2.5000 inches maximum bore diameter, 3.9367 inches minimum and 3.9375 inches maximum outer member outside diameter, 1.8700 inches minimum and 1.8750 inches maximum outer 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: 2.4994 inches minimum and 2.5000 inches maximum
Outer Member Outside Diameter: 3.9367 inches minimum and 3.9375 inches maximum
Outer Member Width: 1.8700 inches minimum and 1.8750 inches maximum
Inner Member Width: 2.1820 inches minimum and 2.1870 inches maximum
Static Radial Load Rating: 622300 pounds
Hardness Rating: 57.0 rockwell c minimum inner member
Hardness Rating: 60.0 rockwell c minimum outer race member
Lubrication Feature: groove external outer member
Lubrication Feature: groove internal inner member
Lubrication Feature: groove internal outer member
Lubrication Feature: perforation inner member
Special Features: single fracture through outer race member
Material: steel comp e52100 overall
Material Document And Classification: sae 52100,astm a295 assn std single material response overall
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
10KP587	Self-Aligning Plain Bearing
B40L	Self-Aligning Plain Bearing
R26680	Self-Aligning Plain Bearing
S69257	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-103-9788?

The FSCG of the NSN 3120-00-103-9788 is 3120

Does the NSN 3120-00-103-9788 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-103-9788 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 3120-00-103-9788 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-103-9788 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 3120-00-103-9788 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Jun 19, 1968