Size selection: The larger the diameter of the caster, the more labor-saving it is. The more obstacles, the better. Because the Caster Wheel were first industrialized in the West in the late 19th century, the casters are usually expressed in inches. For example, most Chinese supermarket carts use 5 inches. 4 inch Caster Wheel. At present, the popular casters on the market range in size from 1 inch to 10 inches. The commonly used sizes are 2 inches, 2.5 inches, 3 inches, 3.5 inches, 4 inches, 5 inches, 6 inches, 8 inches, 10 inches, etc. Need to promote, such as supermarket shopping carts, logistics trolleys, tool carts, etc. 4 to 6 inch casters are preferred. However, if the diameter of the caster is too large, the center of gravity of the equipment will rise and the cost will increase, so comprehensive consideration is required. If the equipment does not need to be pushed frequently, such as furniture, refrigerators, etc., it is only necessary to move when you are in sanitary, you can use casters below 3 Inches Caster Wheel.
Wheel material: This is very important, generally Trolley PU Caster Wheel, TPR, PP, rubber, nylon, etc., as for applicable temperature, surface hardness, ground environment, etc.
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