Linear bearings from igus® are used to position camera bodies from the new “Easyscan System”, which is used to examine wood products. It is used to test wood products. The environment is very dusty. The camera bodies are protected, but should be moveable. Conventional ball systems are not suitable because they require lubrication, which may lead to impurity of the wooden plates. Now, drylin® W, drylin® S and dryspin® products are installed, which has made maintenance unnecessary.