Is the shaft exerting 600 pounds of force on the table?

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The discussion centers on whether a shaft with two cylinders, each applying 300 pounds of force, exerts a total of 600 pounds of force on the table. The basic principle of statics is referenced, indicating that the sum of vertical forces must equal zero. If both cylinders are indeed applying force simultaneously, the total force exerted on the table would be 600 pounds. The conversation emphasizes understanding basic load calculations without considering moments. Ultimately, the conclusion is that the shaft applies 600 pounds of force to the table.
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I have a shaft laying across a table. At each end of the shaft I have a cylinder. Each cylinder is capable of appling 300 pounds of force. My question is; Is the shaft applying 600 pounds of force to the table or just 300?
 
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Looking at the most basic load, i.e. no moments...600 pounds force (assuming both cylinders are applying a force).

Basic statics: \Sigma F_y = 0
 
Thanks for the quick response and help.
 

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