Steel rollers with jacket consisting of tube and bearing mounting head rigidly coupled by pressure. They are mounted on pre-lubricated angular or radial ball bearings protected with double-labyrinth dust seals. Clamped steel rollers are used in belt conveyors with limited or medium-heavy loads. The diagrams and tables on page 34 show the dimensional characteristics and maximum loads. Operating temperature:-10 ÷ +90 [°C].