EC21 Product Catalogs - ihi rhb31 http://www.ec21.com/ec-market/ihi rhb31.html Turbocharger IHI RHB31http://betert.en.ec21.com/Turbocharger_IHI_RHB31--2787310_2787458.htmlBearing system:2 floating Cooled by: water and oil20081107