The Cooling Roller have hard chrome plated surface. Cooled water passing through its Rotary joint to cools the hard chrome plated surface area of the Roll. Cooling Roll cools the contact area that touches the web materials or rubber rolls. There are different types of Cooling Rolls like single shell, double shell jacketed type, and spiral type. The surface cooling effect varies for different types. Cooling Roll have shaft with inside hole to fix rotary joint. Bigger shaft diameter is recommended to avoid breakage of end shafts as the end shaft having inside hole.