KSSB24-21

View detailed technical data, stock status, and sourcing information for: KSSB24-21

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KSSB24-21
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-00-058-4033
Item Name Code
13208
Assigment Date
01/01/1961 (65 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.

32.0 rockwell c maximum inner member hardness rating, 1.4995 inches minimum and 1.5015 inches maximum bore diameter, 0.8725 inches nominal outer member width, 0.8750 inches nominal inner member width, 2.1260 inches minimum and 2.1265 inches maximum outer member outside 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
1.4995 inches minimum and 1.5015 inches maximum
Outer Member Outside Diameter
2.1260 inches minimum and 2.1265 inches maximum
Outer Member Width
0.8725 inches nominal
Inner Member Width
0.8750 inches nominal
Hardness Rating
32.0 rockwell c maximum inner member
Hardness Rating
32.0 rockwell c maximum outer race member
Material
copper alloy 172 or copper alloy 173 inner member
Material
steel outer race member
Surface Treatment
cadmium external surface member
Style Designator
without insert or liner

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3120-00-815-3995 No Name Available 07/01/1987

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
32-41117-7 Self-Aligning Plain Bearing
KSSB24-21 Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-058-4033?
The FSCG of the NSN 3120-00-058-4033 is 3120
Does the NSN 3120-00-058-4033 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-00-058-4033 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 3120-00-058-4033 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-058-4033 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 3120-00-058-4033 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

Professional Distribution

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