... steel Tube diameter: 89 to 219mm Tube thickness: more than 3.5 or as your require Tube length: 150mm to 3400mm ... ;2)Less movement longitudinally, rotating smoothly, extends the life span;3)Various bearing housing and sealing structure are available for the ... , South Africa, Eastern Europe, Australia, Italy and Canada and so on. If you are interested in our products, welcome to contact ...