DescriptionDependable Accuracy and Repeatability At An Economical PriceNut OnlyQuality Tested For Reliable PerfomancePreload option Z2 (No Preload) is standardZ1 (Light preload to 1-2%) and Z3 (No Preload, clearance held to max 0.05 mm) available when purchasing an assemblyDimensionUnit Of MeasureAll length values in: mmPerformanceLoad, Dynamic38,000 N (8,543 lbf)Load, Static69,100 N (15,534 lbf)