... diameter : 75mm ,100mm,125mm,160mm,200mm Wheel materials : Rubber Fittings : swivel Wheel bearings : Roller bearing Load capacity : 50kg,60kg,70kg,100kg,150kg ... Plate Size Hole Size Installation High Capacity(KGS) Swivel Black Rubber W/Iron core 07S75SR 75 23 84 X 68 64 ... caster, Heavy duty casters, PU caster,PP Caster,PVC Caster,Rubber caster, Swivel caster,Cart caster,Pallet trolley caster, TPR caster ...