Universal wheel is the bracket installed in the caster wheel can be rotated horizontally 360 degrees in the dynamic load or static load.
There are various materials used to manufacture the universal wheel, the most common materials are: nylon, polyurethane, rubber, cast iron and other materials. Widely used in mining, machinery and equipment, electronic equipment, medical equipment, engineering decoration, textile, printing and dyeing, furniture, logistics equipment, warehousing, turnover trucks, chassis, cabinets, equipment, electromechanical, clean room, production lines, large supermarkets and many other industries and various fields.
According to their different uses, bearings are divided into iron core, aluminum core, plastic core, size 1 inch to 8 inches. Among them, the iron core, aluminum core is generally heavy-duty bearing wheel, the use of often equipped with brake apparatus.
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Online you can find information about directional wheels, the information is as above. As for the directional wheel you mentioned, there is no relevant information found online, and I don't know if this information just found online meets your needs haha.