{HEAD ~ The device} comprises an outer part and {TAIL ~ an inner part}, one being rotating and the other non rotating, a row of rolling elements which are arranged between said rotating and non rotating parts 
comprises
{ HEAD ~ The device } comprises an outer part and { TAIL ~ an inner part } , one being rotating and the other non rotating , a row of rolling elements which are arranged between said rotating and non rotating parts
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH