KSB4-4

Comprehensive specifications and application details for: KSB4-4 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: KSB4-4. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
KSB4-4
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-043-1270
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
06/19/1977

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.

groove internal outer member lubrication feature, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, 57.0 rockwell c minimum and 61.0 rockwell c maximum inner member hardness rating, perforation outer race member lubrication feature, 0.3380 inches minimum and 0.3430 inches maximum inner member width

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-043-1270 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.2495 inches minimum and 0.2500 inches maximum
Hardness Rating
57.0 rockwell c minimum and 61.0 rockwell c maximum inner member
Inner Member Width
0.3380 inches minimum and 0.3430 inches maximum
Lubrication Feature
groove internal outer member
Lubrication Feature
perforation outer race member
Material Document And Classification
mil-g-23827 mil spec single material response lubrication
Material
copper alloy outer race member
Material
grease lubrication
Material
steel comp e52100 inner member
Outer Member Outside Diameter
0.6557 inches minimum and 0.6562 inches maximum
Outer Member Width
0.2450 inches minimum and 0.2550 inches maximum
Static Radial Load Rating
2700 pounds
Style Designator
without insert or liner
Surface Treatment
cadmium outer race member
Surface Treatment
chromium inner member

Frequently Asked Questions

Find quick answers to common questions about bearing: KSB4-4. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-043-1270?
The FSCG of the NSN 3120-01-043-1270 is 3120
Does the NSN 3120-01-043-1270 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-043-1270 require demilitarization?
"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"
Does NSN 3120-01-043-1270 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-043-1270 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 3120-01-043-1270 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Sun, Jun 19, 1977

Price & Availability

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