KWB28-8

Comprehensive specifications and application details for: KWB28-8 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: KWB28-8. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
KWB28-8
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-018-8108
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
03/30/1976

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.

26.0 rockwell c minimum and 55.0 rockwell c maximum inner member hardness rating, 1.8070 inches minimum and 1.8120 inches maximum inner member width, 1.7492 inches minimum and 1.7500 inches maximum bore diameter, 26.0 rockwell c minimum and 55.0 rockwell c maximum outer race member hardness rating, steel comp 440c inner member material

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-018-8108 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
1.7492 inches minimum and 1.7500 inches maximum
Hardness Rating
26.0 rockwell c minimum and 55.0 rockwell c maximum inner member
Hardness Rating
26.0 rockwell c minimum and 55.0 rockwell c maximum outer race member
Inner Member Width
1.8070 inches minimum and 1.8120 inches maximum
Material
steel comp 440c inner member
Outer Member Outside Diameter
2.9990 inches minimum and 3.0000 inches maximum
Outer Member Width
1.3120 inches minimum and 1.3220 inches maximum
Static Radial Load Rating
380000 pounds
Style Designator
without insert or liner

Replaces

The NSN 3120-01-018-8108 is used in place of the following discontinued or alternate items:

NSN Name Date
3120-01-316-5211 No Name Available 07/01/1994
3120-01-316-5340 No Name Available 07/01/1994

Frequently Asked Questions

Find quick answers to common questions about bearing: KWB28-8. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-018-8108?
The FSCG of the NSN 3120-01-018-8108 is 3120
Does the NSN 3120-01-018-8108 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-018-8108 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 3120-01-018-8108 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-018-8108 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 3120-01-018-8108 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Tue, Mar 30, 1976

Price & Availability

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