Due to its outstanding load-bearing capacity, industrial casters are often used in the construction industry, industry and other economic fields. The definition of heavy-duty casters is not particularly strict. The load-bearing capacity of super-heavy casters on the market can reach 500 tons. Technological breakthroughs in load-bearing capacity are still in progress, and it is not known how high the load-bearing capacity of heavy-duty casters in the future can be.