This is a hollow shaft slip ring ,it’s also called through hole slip ring ,CENO's hollow shaft slip ring hole size from 3mm to 5000mm are optional.Standard through hole size are 12.7mm, 25.4mm, 38.1mm, 50mm, 60mm,70mm, 80mm, 100mm .and all other size are capable to be customized.Various signal such as Ethernet,USB,HDMI,SDI,Canbus profibus and power are capable to be integrated into one slip rings . Features No package loss,no cross talk,low loss Low friction, long life,low torque, smooth rotation Anti-rotation tab for fixing stator side ,easy to install Applications Motion simulator Large engineering equipment Automation equipment Optional Through hole size Current rating Integrate various signal IP protection grade