
Table 7: Shaft design checklist
These are comparable to type R and RST, except the outer case does not have a metal reinforcement ring. To compensate, the outside is not made of normal rubber, but a hard, heavy-duty rubber fabric. The advantage is that these types can be made in a split version. They are almost always produced to order, and made of NBR or FKM.

metric oil seals. Proper installation is crucial to ensure a secure seal and efficient operation of the equipment. Regular maintenance and inspection of the seals are also important to identify any signs of wear or damage that may compromise their effectiveness.
What materials are available?
