Maybe you can try to use a labrinyth seal design....the fingers are not exactly touching each other so should not induce great amount of friction as compared to contact rubber oils seals.
Hi....seems this thread has been inactive for quite awhile...but nevertheless still hope you got share some information with me on steel rod.
I'm currently doing a project on steel rod/ wire and need to find out what is the manufacturing process flow, the equipments they used etc.
Hope you can...