❮ ❯ Oil Lubricated Stern Tube Bush Oil lubricating sterntube bushes have been manufactured in conjunction with KEMEL COMPACT Seals for decades. Our standard bush is cast iron lined with white metal and the excellent reliability and performance have gained a high reputation. Features MATERIAL The standard materials of back metal are cast iron (FC250). The standard lining material is WJ2. MACHINING The sterntube bushes are supplied rough turned (margin 3mm) on the outside and finish machined on the others. INSPECTION In general, the following inspections are carried out; material test of back metal, water pressure test (0.2MPa), dimension inspection, surface inspection and coherence test of lined material. Product Specification Examples