First, consider the weight and maximum load weight of the device itself when selecting casters wheels, as usual the larger the total weight of the above, we should choose the larger the size of the wheels, the larger the wheel, the more able to spread the weight, the more easy to walk on uneven ground.

Second, we must take into account the caster itself can carry the load. The total weight of the device itself and the load weight divided by the used casters, get is that each caster should bear the weight, usually the load capacity of caster should be larger than this calculated weight of casters. This will avoid affecting the normal use of castor accidents happen.

Select a correct size caster wheel are very important,such as you carry a heavy weight parts,or you use caster as hospital bed caster,or any other medical casters & precision device caster wheels. it's need make sure the caster need strong enough to provide safety work condition.

Consider difference work conditions,sometimes we also need use,soft wheel caster,cast iron caster,antistatic caster or conductive caster etc..

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