dryer cylinder is one of our main products,We has the long experience of thepaper Dryer since 1985 and can meet the needs of customer's requirement . Its maximum working pressure is 0.8Mpa,The largest diameter is 4.270mm,Face length is up to 5,000,The most weight of finished products is more than 50 tons.Hardness:HB240.We have made the best quality products for many large paper mills in the world.roller bearing