An oil supply means is provided to supply the center portion of a rotating part of an Oldham coupling with oil. The light can be pulsed or continuous. An ozone sensor is provided for measuring the gaseous ozone passing through the ozone outlet. An encryption processor is included to perform key and data encryption, as well as a high performance hash processor and a public key accelerator. The device has a debris collecting surface portion extending radially inward from the outer surface portion for collecting the predetermined quantity of debris scraped from the cylindrical internal wall.