We are currently experiencing disruption to Microsoft applications as a result of the wider global Microsoft outage, however our digital ordering platforms, including all websites, remain unaffected and are operating as normal. Our Internal Sales Team and Customer Services team are currently unable to receive emails. However, both teams remain available by telephone to support your enquiries, including quotes and orders.
Part No: 808006
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
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"

R & D Marine Bobbin shaft coupling spacer number 202-250
| Length | 5.86" |
| Brand | R&D Marine |
| Coupling PCD | 4.75" / 120.6mm |
| Coupling Register Diameter | 3.00" / 76.2mm |
| Gearbox Output Coupling Diameter | 5.75" / 146mm |
| Country of Origin | United Kingdom |
| Model | 202-250 |
| Number of Fixing Holes | 6 |
| Register Gender | Male one end and Female the other end. |
£317.72
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Sign up for the latest offers, product news, technical advice and more.