... 2.Load capacity:70~90kg 3.Hard rubber caster, other fittings are available 4.Good quality,reasonable ... to 90kg per caster 2.Wheel diameter: 75mm,100mm, 125mm3.Caster material: Hard rubber with delrin bearing, ... ’ choices and wide different usage, such as, for industrial machine, medical facility, furniture, trolley, shopping cart, ... Factory 65 American type hard rubber side brake industrial rubber caster