An extra strong wheel carts which has a load capacity of 200kg and thus suitable for heavy loads. The caster wheel has a self-weight of 1 kg is made of white plastic PA, both the core and the running surface of the fixed castor consist of PA. The bearing of the wheel is a roller bearing. Temperature range in which the wheel can be used is -40 & deg; C to + 80 & deg; C The hole pattern has dimensions 80x60mm, provided with holes for bolts 9 mm. NOTE: Maximum load capacity of four wheels is however approximately 600kg frame of the cart must also be suitable for 600kg