KSBN28-17

View detailed technical data, stock status, and sourcing information for: KSBN28-17
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-107-0539

Item Name Code

13208

Assigment Date

08/02/1968 (57 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.

1.3120 inches minimum and 1.3220 inches maximum outer member width, 2.8112 inches minimum and 2.8117 inches maximum outer member outside diameter, 196000 pounds static radial load rating, 1.5260 inches minimum and 1.5310 inches maximum inner member width, 1.7490 inches minimum and 1.7500 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: 1.7490 inches minimum and 1.7500 inches maximum
Outer Member Outside Diameter: 2.8112 inches minimum and 2.8117 inches maximum
Outer Member Width: 1.3120 inches minimum and 1.3220 inches maximum
Inner Member Width: 1.5260 inches minimum and 1.5310 inches maximum
Static Radial Load Rating: 196000 pounds
Hardness Rating: 55.0 rockwell c maximum inner member
Hardness Rating: 26.0 rockwell c maximum outer race member
Material: plastic polytetrafluoroethylene race liner
Material: steel corrosion resisting inner member
Material: steel corrosion resisting outer race member
Style Designator: with insert and/or liner with staking groove

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
BLFR28-061	Self-Aligning Plain Bearing
KSBN28-17	Self-Aligning Plain Bearing
LDS28E-151	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-107-0539?

The FSCG of the NSN 3120-00-107-0539 is 3120

Does the NSN 3120-00-107-0539 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-107-0539 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 3120-00-107-0539 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-107-0539 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 3120-00-107-0539 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Aug 2, 1968