3. According to the specific use, it can be divided into Escalator Casters and ordinary casters.
The sizes are 3 inch, 4 inch, and 5 inch respectively, and the load capacity is 60KG to 110KG, all of which are equipped with ball bearings.
Escalator Casters can be divided into 2-piece wheels, 3-piece wheels and 4-piece wheels according to the number of flanges on the wheel surface. Ball bearings are also embedded in the swivel structure of the casters, which improves the impact resistance and makes it more durable. There is also a rubber anti-collision strip on the outside of the rotating structure to reduce direct contact and collision between shopping carts.