... and bushing or Delrin Bearing use for hospital ,hotels,foodservice swivel caster/ wheelMaterial: PU/TPR wheel, PP coreBearing:Ball Bearing and ... :Zinc plated, Chrome plated or lacquerLoad Bearing:Double ball racewaysCasterType:Swivel , Fixed, Swivel with BrakeMounting: Top plate, Threaded stem, Grip stem, Bolt ... Hospital , hotels and food services2.load rating:90pounds light duty swivel castor