I am looking for a source of silicon nitride needle bearings. I have been using rollor bearings for a long time but so far have not been able to locate a supplier of needle bearings. does any one in here know of a source?
I am involved in an R&D project and am looking for at least 15 new candidate materials in each catagory for use in a small two stroke engine. I thought it might be interesting to post this in here to see what ideas come up that we have not concidered.
The criteria for these materials are...