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3120-01-040-4863

Find complete technical information, availability, and procurement data for: 3120-01-040-4863

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3120-01-040-4863
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-01-040-4863
Item Name Code
13208
Assigment Date
05/08/1977 (49 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.

0.7480 inches minimum and 0.7500 inches maximum inner member width, 29000 pounds static radial load rating, 0.5620 inches minimum and 0.5720 inches maximum outer member width, 1.1870 inches minimum and 1.1875 inches maximum outer member outside diameter, 0.6245 inches minimum and 0.6250 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
0.6245 inches minimum and 0.6250 inches maximum
Outer Member Outside Diameter
1.1870 inches minimum and 1.1875 inches maximum
Outer Member Width
0.5620 inches minimum and 0.5720 inches maximum
Inner Member Width
0.7480 inches minimum and 0.7500 inches maximum
Static Radial Load Rating
29000 pounds
Hardness Rating
55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Hardness Rating
28.0 rockwell c minimum and 37.0 rockwell c maximum outer race member
Material
plastic polytetrafluoroethylene race liner
Material
steel comp 440c inner member
Material
steel comp 630 outer race member
Style Designator
with insert and/or liner with staking groove

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3120-00-031-1033 No Name Available 01/01/1983
3120-00-239-7441 No Name Available 12/01/1997
3120-00-250-7393 No Name Available 07/01/1992
3120-00-253-1464 No Name Available 09/01/1983
3120-00-900-4420 No Name Available 02/01/1987

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
10107696 Self-Aligning Plain Bearing
MS14103-10 Self-Aligning Plain Bearing
MS21230-10 Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-040-4863?
The FSCG of the NSN 3120-01-040-4863 is 3120
Does the NSN 3120-01-040-4863 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-040-4863 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 3120-01-040-4863 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-040-4863 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 3120-01-040-4863 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Sun, May 8, 1977

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Surplus 171
New Material 1,870
As Removed 1
Serviceable 1
Overhauled 1
Total 2,044
Availability of this item was last updated on: 06/02/2026 11:06 AM EDT. Stock levels and pricing are subject to change.

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