Double roller back-up rollers with pin used for levelling lines

The double roller back-up rollers with pin back-up rolls mainly used in the flattening and straightening lines of steel, stainless steel and aluminium sheets. The outer rings and the shaft are made in hardening and tempering steel with high hardness (up to 62 HRc). The shaft can be made also in case hardening steel in relations to the dimensions. They are available with sealing system (lamellar double or triple rings), thermoplastic seals and labyrinth system.

The internal design with needle roller and cage assembly or full complement rollers, so it can bear very high radial load capacity. The backup rollers work with the work rolls and the intermediate rolls in the levelling lines.