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R&D Marine 6" Bobbin Shaft Coupling

Product code: 808006
Manufacturer SKU: 202-250

A bobbin coupling is a double flange coupling, which is used to extend the boat propeller shaft. They can also be used for making a double flexible coupling with two R&D type flexible couplings. Th Read more

Description

Description

A bobbin coupling is a double flange coupling, which is used to extend the boat propeller shaft. They can also be used for making a double flexible coupling with two R&D type flexible couplings. This can provide excellent noise and vibration control, at a very reasonable price.

The 6" R&D bobbin coupling is machine from steel, and the flanges will suit gearbox flanges (5.75") for PRM, Borgwarner Velvet Drive, ZF and Twin Disc gearbox.

Bobbin coupling dimensions:

a - Flange outside diameter = 5.75"

b - Hole pitch circle = 4.75"

c - Number of holes = 6

d - Hole size = 0.50"

e - Register diameter = 3.00" male on one flange and female on the other

f - Bobbin coupling length = 5.86"

g - Bobbin neck diameter = 4.25"

Bobbin Shaft Coupling Dimensions Diagram

R & D Marine Bobbin shaft coupling spacer number 202-250

Specifications
Coupling PCD 4.75" / 120.6mm
Coupling Register Diameter 3.00" / 76.2mm
Gearbox Output Coupling Diameter 5.75" / 146mm
Number of Fixing Holes 6
Register Gender Male one end and Female the other end.
Brand R&D Marine
Model 202-250
Length 5.86"
Country of Origin United Kingdom
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R&D Marine 6" Bobbin Shaft Coupling

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