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Durable R & D Flexible Shaft Coupling F/b/w, Hurth - 3hp/100prm Capacity - Today Only [oSyYkhKX]

$44.99 $143.99 -69%

R&D Flexible Shaft Coupling for 4" B/WIntroducing the R&D Flexible Shaft Coupling, designed to provide unmatched durability and performance for your boat's drivetrain. This 4" bore width coupling is crafted with precision to ensure a seamless connect

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R&D Flexible Shaft Coupling for 4" B/W

Introducing the R&D Flexible Shaft Coupling, designed to provide unmatched durability and performance for your boat's drivetrain. This 4" bore width coupling is crafted with precision to ensure a seamless connection between the transmission output flange and the shaft, offering unparalleled protection against misalignment, vibration, and shock loads. The R&D Flexible Shaft Coupling is a must-have for any boater seeking to enhance the reliability and longevity of their boat's drivetrain.
  • Contoured Flexible Disc: Made from tough yet resilient polyurethane, the contoured disc allows for free flexing, accommodating any temporary misalignment caused by the boat's structure or engine movement.
  • Fail-Safe Design: In the unlikely event of a disc failure, the steel straps ensure drive maintenance in both forward and reverse, providing ultimate safety and reliability.

Product Specifications and Technical Details

The R&D Flexible Shaft Coupling is engineered with advanced features to deliver exceptional performance. With a capacity of 3HP at 100RPM, it is designed to handle the demands of your boat's engine and drivetrain. The polyurethane disc is backed by two metal compression straps, providing constant compression in both forward and reverse, which not only extends the life of the system but also ensures that the drive system remains functional under extreme conditions.
  • Power Calculation: To determine the required power of the coupling, use the formula: Horse Power of Engine x Reduction Ratio x 100 = HP/100RPM.
  • Material Durability: The polyurethane disc is machined for resilience and durability, capable of withstanding light shock loads and absorbing vibrations.

Practical Uses and Benefits

The R&D Marine Flexible Shaft Coupling is an essential component for any boat owner looking to optimize their vessel's performance and longevity. Its ability to reduce vibration, compensate for misalignment, and isolate the shaft makes it an invaluable addition to any boat's drivetrain. This coupling is designed to absorb shock loads from gear changes or propeller strikes, protecting your transmission from costly damage.
  • Drivetrain Protection: The R&D Flexible Shaft Coupling helps protect your boat's drivetrain, reducing the risk of expensive repairs and延长使用寿命.
  • Boater's Choice: Whether you're a frequent boater or a weekend enthusiast, this coupling is designed to enhance your boating experience by ensuring smooth and quiet operation of your engine and drivetrain.

What Our Customers Say

January 1, 2026

Absolutely no complaints!

I'm happy with this. So good.

- Christa S..

January 1, 2026

Absolutely no complaints!

A really well designed and useful product.

- Mylo P..

January 1, 2026

Absolutely no complaints!

A superior product by any measure.

- Ryder K..

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