The rudder bearings 801 are built of aluminium 3571with silver anodization and self aligning ertalyte ball. They are designed for an easy installation. This kind of rudder bearings is available in the version for deck 801P with locking flange and in the version for the hull 801S. The outside shape of the lower bearing 801S series is conical for a better and practical installation from the outer side of the hull.
They are suitable for aluminium or carbon shafts (811S) or stainless steel shaft (891S)or all metal and carbon rudder shaft with metal sleeve(8R1). The sliding is on peek rollers (811) or on stainless steel rollers (891) or on ertalyte ball and peek rollers (8R1).
The inner components Series 8R1 have been designed without use metallic parts. This feature make them less subject to the galvanic corrosions.
In these series the watertight is assured by a neoprene tube (8090L) as long as possible above the DWL. On the top of the tube fixed by a stainless steel clamp there is a ring with gasket. Two stainless steel clamps lock the tube to the body of the bearing and to the watertight ring at the top.
Series 811-891-8R1 bearings are available for rudder shaft with diameter from 40mm up 160mm