Summary: Select size : the larger the diameter casters wheel generally promote more effort, the more the better barrier capability , because casters first formed in the 19th century industrialization of the West , so the caster is generally expressed in inches , such as China 's most supermarket trolleys with 5 inch , 4 inch casters.

      Casters popular sizes from 1 inch to 10 inches have commonly used sizes on the market 2 inch, 2.5 inch, 3 inch , 3.5 inch, 4 inch, 5 inch, 6 inch, 8 inch, 10 inch , general often need to push , such as supermarket shopping cart , logistic trolley , tool cart , etc. with 4 to 6 -inch casters are better. But Caster diameter makes the device gravity rise , increasing the cost , so to be considered. If the device does not require frequent pushing , such as furniture , refrigerators, etc. , only when moving about the need to engage in health , the choice of below 3 inch casters.

• Previous: Low gravity caster,low profile caster
• Next: Medical caster manufacturer of china