... item No:25642; TPR wheel, 5inch Ball bearing and bushing or Delrin Bearing use for industrial carts ,hotels,foodservic ... casterItem NO:25642 systemsmaterial: PP Wheel , PP coreBearing:Ball bearing,and bushing, or Delrin BearingHardness:90A, 75ADiameter:5inchApplicable ... :Zinc plated, Chrome plated or Lacquer.Load Bearing: Double ball racewaysCASTER/CASTORTYPE: Swivel, Fixed, Swivel with brakeMounting ...