Double ball bearings help the caster rolls very smoothly. Overall quality is much better than those cheap China casters. PU wheel can withstand oil, grease. The PU wheel is cushion so will make less noise on operation.
Chrome plating steel frame with ABS cover that anti shock and corrosion. With the cushion TPR wheel, 65Mn grade steel in the Swivel head. The wheel is firm, flexible and mute. As the result, this caster is most suitable for Medical bed.