Rolling bearings – Safety regulations for dimensioning and operation of profiled rail guides with recirculating rolling elements
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/2013

Rolling bearings – Safety regulations for dimensioning and operation of profiled rail guides with recirculating rolling elements; Text in German and English
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2016