ID
982470
$ 609.76
1-2 weeks delivery time
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The Vetus RL4PH Cutlass Bearing (article RL4PH) is a 16'' water-lubricated model built for a 4'' (101.60 mm) propeller shaft and a 5'' outside diameter stern tube. It features a polyurethane rubber lining with longitudinal grooves to ensure constant water flow for cooling and lubrication, combined with a lightweight and corrosion-free phenolic outer shell ideal for aluminum installations. Fully specified in inch dimensions, it provides stable shaft alignment and long-term reliability in marine propulsion setups.
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Vetus RL4PH Phenolic Cutlass Bearing for 4'' Shaft, 5'' OD, 16'' Length
The Vetus RL4PH is a high-performance, water-lubricated cutlass bearing that incorporates a durable polyurethane rubber lining and a corrosion-free phenolic resin outer shell. All critical dimensions—including the 4'' shaft diameter, 5'' shell outside diameter, and 16'' overall length—are specified in inches for complete compatibility with imperial-standard stern tubes. The grooved rubber interior ensures uninterrupted water flow for effective cooling and lubrication, contributing to long-lasting and stable propeller shaft operation.
Key Features
- Polyurethane rubber lining engineered for high wear resistance
- Phenolic resin outer casing offering lightweight, non-metallic, corrosion-free installation
- Longitudinal internal grooves for optimized water lubrication
- Imperial dimensions: 4'' shaft diameter, 5'' shell OD, 16'' length
- Suitable for motorboats and sailing yachts
- Ideal for aluminum stern tubes and applications requiring avoidance of galvanic corrosion
Technical Specifications
Manufacturer Vetus Shaft Diameter 4" (101.60 mm) Shell Outside Diameter 5" Length 16" (406.4 mm) Outer Shell Material Phenolic resin Lining Material Polyurethane rubber Lubrication Water-lubricated
Application Details
- Provides precise support and alignment for marine propeller shafts
- Minimizes friction, vibration, and wear during operation
- Designed for non-metallic installations where corrosion must be avoided
- Recommended for aluminum stern tubes or systems vulnerable to galvanic interaction
Phenolic vs. Brass Bearings
Phenolic bearings are ideal for aluminum stern tubes or installations requiring the elimination of metal-to-metal contact to prevent galvanic corrosion. Brass bearings remain widely used due to their mechanical strength and durability, but phenolic variants offer clear advantages in corrosion-sensitive or fully non-metallic environments.
Vetus rubber bearings for larger shaft diameters are available on special order.
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