ID
976987
$ 335.21
1-2 weeks delivery time
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The Vetus RULAG21/2 cutlass bearing is designed for a 2-1/2" propeller shaft and features a brass outer shell with a 3-1/4" outside diameter and a 10" length. Its polyurethane-rubber lining includes longitudinal grooves to ensure continuous water lubrication and cooling, while the robust brass construction provides strength and corrosion resistance for marine installations built to imperial shaft and stern-tube standards.
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Vetus RULAG21/2 Brass Cutlass Bearing for 2-1/2" Marine Propeller Shaft
The Vetus RULAG21/2 cutlass bearing is engineered for propulsion systems using imperial shaft and stern tube dimensions. Designed for a 2-1/2" shaft and installation in a stern tube with a 3-1/4" outside diameter, it features a corrosion-resistant brass shell combined with a polyurethane-rubber lining. Longitudinal grooves in the lining ensure stable water lubrication and effective cooling during shaft rotation.
Manufacturer Vetus Model RULAG21/2 Shaft Diameter 2-1/2" Outside Diameter 3-1/4" Length 10" Shaft Diameter (mm) 63.5 mm Length (mm) 254 mm Shell Material Brass Rubber Lining Polyurethane with longitudinal grooves Shell Size (inch) 3 1/4
Key Features
- Durable brass outer shell engineered for high corrosion resistance.
- Polyurethane-rubber lining designed for enhanced wear resistance.
- Grooved internal surface supporting optimal water lubrication and cooling.
- Fully imperial (inch) dimensions for shaft and stern tube compatibility.
- Suitable for both motorboats and sailing yachts.
Technical Function
Cutlass bearings support and align the propeller shaft, minimizing friction, vibration, and wear. The grooved polyurethane lining maintains a consistent water film, ensuring smooth rotation, thermal stability, and long-term reliability in marine operating conditions.
When to Choose Brass vs. Phenolic Bearings
- Brass bearings: Preferred for general marine applications because of their strength, corrosion resistance, and ability to withstand dynamic loading.
- Phenolic bearings: Recommended for aluminum stern tubes or for installations where galvanic corrosion must be avoided.
Vetus rubber bearings for larger shaft diameters are available on special order.
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