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Vetus RL3045PH Phenolic Cutlass Bearing for 30 mm Marine Propeller Shafts
The Vetus RL3045PH is a water-lubricated cutlass bearing engineered for propulsion systems using a 30 mm shaft and a stern tube with metric outer dimensions. Its phenolic resin outer casing offers a lightweight, fully corrosion-free alternative to brass, making it particularly suitable for aluminum boats or any installation where dissimilar-metal contact must be avoided. The polyurethane-rubber lining incorporates longitudinal grooves that ensure continuous water flow for lubrication and cooling, minimizing shaft vibration and friction.
Key Features
- High-wear-resistant polyurethane-rubber lining
- Non-metallic phenolic resin outer casing for corrosion-free performance
- Grooved inner surface for effective water lubrication and thermal stability
- Compatible with metric shaft and stern-tube dimensions
- Suitable for motorboats and sailing yachts
- Available for larger shaft diameters upon request
Technical Specifications
Parameter Value Shaft Diameter 30 mm Outer Diameter (Shell Size) 45 mm Length 120 mm Shell Material Phenolic resin Lining Material Polyurethane-rubber Lubrication Water-lubricated
Application and Use
Cutlass bearings are vital for maintaining alignment and reducing friction in marine propeller shafts. Their water-lubricated rubber linings stabilize shaft rotation, absorb vibrational loads, and provide dependable long-term operation even under continuous service in marine environments.
Phenolic vs. Brass Bearings
- Phenolic bearings: Recommended for aluminum stern tubes and applications where galvanic corrosion or dissimilar-metal contact must be avoided. Lightweight and corrosion-free.
- Brass bearings: Standard for most marine installations due to strength and corrosion resistance, though not ideal where non-metallic construction is required.
Manufacturer
Vetus
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