... .18.m, maximum axial load is 610KN Heat treatment of support roller is accord with SEW510. Hole,groove and reducing point of ... any time such as 30Mn5V, GB-30Mn2, GB-35Mn2. Our support roller is mainly exporting to India to reputed company such as ... Bhushan steel, Visakhapatnam steel, JINDAL steel for years. support roller of rotary kiln