... : Top plate with brake Wheel bearings : Double bearing Load capacity : 270kg,300kg,360kg,400kg Housing:Made of ... pressed steel,double ball race Plated:Zinc Plate Option Function Wheel Material ... Casters wheels, healthcare beds, hospital casters, Light Duty Casters, Medium Heavy Duty Casters, Heavy Duty Casters, Hospital Equipment, Medical Casters, Stainless Casters ...