Actually, rod end, heim joint and rose joint all mean the same products. Just due to the different cultural and history, it’s different name. The most popular name is spherical rod end bearing, which is called by Germans and most of the countries. Heim joint and Rose joint are from 2 companies, one is the H.G. Heim Company in the USA, another one is the Rose Bearings Ltd. in the UK. That’s why in USA, people also call rod end as heim joint. In UK, rose joint as same as rod end.