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R&D Marine 4" Split Clamp On Coupling for 1" Shaft, Volvo Penta

Part No. 808456

€124.34 You pay €124.34 Incl VAT You pay €103.62 Excl VAT

RRP €134.43 €112.03

Save €10.09 (7.5%) Save €8.41 (7.5%)


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Brand R&D Marine
Country of Origin United Kingdom
Model 202-255B
Applications Volvo Penta MS & RB gearboxes
Gearbox Output Coupling Diameter 4.00" / 101.6mm
Coupling PCD 3.15" / 80mm
Number of Fixing Holes 4
Coupling Register Diameter 2.36" / 60mm
Register Gender Female
Shaft Size 1"

This clamp on split half coupling is machined from solid steel and mates with the gearbox output coupling to connect a 1.00" (1 inch) diameter imperial boat propeller shaft to a Volvo Penta gearbox, usually via a flexible coupling. This is a 'non-standard' bore size, and is available to Special Order only.

The clamp on split type propeller shaft coupling is machined to suit the boat propeller shaft diameter but can accommodate the variations that can occur with normal boat propeller shaft tolerances. It is simple to install and can be adjusted to the required position on the shaft. This clamp on shaft coupling is bored only (no keyway) and is secured to the boat propeller shaft with the clamp bolts supplied.

Typical applications include:
4" nominal gearbox flanges of Volvo Penta MS & RB gearboxes.

Recommended torque for the clamp bolts: 54Nm (40 lbsft)

Coupling dimensions:
For propeller shaft diameter 1" (bored only, no key way)
a - Flange outside diameter = 4.00"
b - Hole pitch circle = 80mm
c - Number of holes = 4
d - Hole size = 10mm
e - Register diameter = 60mm female
f - Coupling length = 3.28"
g - Coupling clamp boss diameter = 3.38"

Split Half Solid Shaft Coupling Dimensions Diagram

R & D Marine Clamp on shaft coupling number 202-255B Special

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