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SKU: B574O2FYL4 |  Mfg. Part: 910-009  | UPC: 839662003803  | 
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R & D Marine 910-009 R&D Flexible Shaft Coupling - 13HP/100RPM Capacity for 5" B/W

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Condition: New

$379.37  $512.15
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Product Overview

R&D Flexible Shaft Coupling for 5" B/W - 13HP/100RPM Capacity

The R&D Flexible Couplings are engineered with a robust polyurethane disc that flexibly accommodates for any misalignment between the engine and shaft, which may occur due to boat structure flexing or engine movement during operation.

This innovative design allows for forward thrust to be managed in compression between the two half couplings, while reverse thrust is similarly handled, ensuring both reliability and safety in your drivetrain. In the event of a disc failure, the steel straps offer fail-safe capabilities that maintain function in both forward and reverse.

To determine the required power for the coupling:

Horse Power of Engine x Reduction Ratio x 100 = HP/100RPM

For example: A Ford engine with 150 HP at 2500 RPM, using the Borg Warner Velvet Drive 72C with a 2:1 reduction ratio would require:

150/2500 X 2 x 100 = 12hp per 100RPM

The flexible coupling is positioned between the transmission output flange and the shaft coupling, effectively protecting the entire drivetrain. It reduces vibration, compensates for misalignment, and absorbs shock loads efficiently.

With its resilient polyurethane disc and metal compression straps, the R&D Marine Flexible Coupling enhances the lifespan of your system while maintaining high performance. It successfully absorbs shock loads from gear changes and foreign impacts, ensuring longevity and reliability.

Why Choose R&D Marine Flexible Shaft Couplings?

Technical Specifications

  • Constructed with durable polyurethane to minimize drivetrain noise and vibration.
  • Effectively absorbs shock loads from gear changes and propeller impacts, reducing the risk of transmission damage.
  • Fail-safe design with steel compression straps to ensure functionality under extreme conditions in both forward and reverse.

Product Details

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  • ASIN:
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  • R & D Marine
  • 910-009
  • B00TFTZDQS
  • 839662003803
  • New
  • 3.8 lbs
  • 8 X 4 X 8
  • Mar 04, 2026
  • Jan 21, 2022
  • United States
Product Identifiers: Brand: R & D Marine • Part #: 910-009 • UPC: 839662003803 • ASIN: B00TFTZDQS

R & D Marine 910-009 R&D Flexible Shaft Coupling - 13HP/100RPM Capacity for 5" B/W

Reviews for R & D Marine 910-009

$379.37