... :12304 PU/TPR wheel, 3-inch Ball bearing and bushing or Delrin Bearing use for hospital ,hotels, ... caster/ wheelMaterial: PU/TPR wheel, PP coreBearing:Ball Bearing and Bushing or Delrin BearingHardness:90A, 75ADiameter: 3 inchApplicable Temperature: ... appliance cart, and Hotel handcart.Especially suited for use in Hospital , hotels and food services2.load rating:90pounds light duty swivel castor ...