1、SPECIFICATION SIZE: The wheel has a diameter of 180mm and a width of 50mm, suitable for 6204 bearing installation, the bearing inner diameter is 20mm (3/4in). 2、BLACK RUBBER TIRE: The truck load wheel is made of 95A hardness black rubber, which is wear resistant and does not slip, ensuring good performance. 3、HIGH LOAD CAPACITY: This load wheel is suitable for pallet trucks with a carrying capacity of 5500 pounds or less, and will not leave any marks on the surface. 4、WIDE APPLICATIONS: This rubber tire is suitable for lawn mower, wheelbarrow, yard car, trailer, truck, pressure washer, air compressor, generator, wood chipper, etc. 5、STAINLESS STEEL HUB: The rubber load wheel hub is made of excellent stainless steel to ensure a stable and reliable structure and safer use.