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Vetus RL9011PH Phenolic Cutlass Bearing for 90 mm Marine Propeller Shaft
The Vetus RL9011PH cutlass bearing is engineered for marine propulsion systems requiring accurate shaft support and long-term water-lubricated performance. Designed for a 90 mm shaft and intended for installation in a stern tube with a 110 mm outside diameter, the bearing features a non-metallic phenolic resin shell combined with a polyurethane rubber lining. Longitudinal grooves inside the lining maintain a consistent water film for effective cooling, lubrication, and reduced vibration during operation.
Manufacturer Vetus Model RL9011PH Shaft Diameter 90 mm Outside Diameter 110 mm Length 360 mm Shell Material Phenolic resin Rubber Lining Polyurethane with longitudinal grooves Shell Size (inch) 4 21/64
Key Features
- Phenolic resin outer shell that is lightweight and corrosion-free.
- Polyurethane rubber lining with high resistance to wear.
- Longitudinal grooves for stable water lubrication and cooling.
- Designed for metric shaft and stern tube dimensions.
- Suitable for both motorboats and sailing yachts.
Technical Function
Cutlass bearings support and align the propeller shaft, reducing friction and vibration while relying on water for lubrication. The grooved rubber lining maintains proper water circulation to ensure stable operating conditions and extended service life in marine environments.
When to Choose Phenolic vs. Brass Bearings
- Phenolic bearings: Recommended for aluminum stern tubes or installations where metal contact must be avoided.
- Brass bearings: Standard for most marine applications due to strength and corrosion resistance, though less suitable for galvanically sensitive environments.
Vetus rubber bearings for larger shaft diameters are available on special order.
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