Detailed Product Description Material: Cast iron Corn +PU tyre Diameter: 3"(75mm) 3.5"(85mm) 4"(100mm) Loading capacity: 450kg 500kg 550kg Weight: 2.00kg 2.4kg 3.00kg Height:112.5mm 120mm 127.5mm Turning Radius: 92mm 95mm 105mm Thickness: 4.0mm Bearing Type: Ball Bearing Customized Option: swivel or fix castor,with or without frame,can have double brake or not Feature: Resist corrosion, safety Specitications NameModel NumberLoad(kg)Weight(kg)Height(mm)Turing Radius3"-machineryWP62441C75×704502.00112.5923.5"machineryWP62441C85×705002.40120954"-machineryWP62441C100×705503.00127.5105