For MTTF/MTBF you have to check the VDMA format DE/EN Version SISTEMA, PASCAL, VDMA, ISO 13849-1 library, please see link for VDMA66413.
With the SISTEMA tool you can view the XML file, in the bigger package are PDF included as well.
https://www.boschrexroth.com/en/de/search.html?lang=DE&s=download&q=safety+vdma&num=10
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