4" R&D bobbin coupling (ZF, PRM, Hurth, Borg Warner Etc.) 9102 SAILDRIVE – PROVEN PERFORMANCE:

SAILDRIVE – PROVEN PERFORMANCE:

The distance between bearing points must not exceed 1500mm (59")

The Racor 75/500MA Duplex marine turbine is designed to be fitted on the vacuum side of the fuel transfer pump for maximum efficiency

2" (51mm) Bore

4" R&D bobbin coupling (ZF, PRM, Hurth, Borg Warner Etc.) 9102 SAILDRIVE – PROVEN PERFORMANCE: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 4" R&D bobbin coupling is machine from steel, and the flange will suit many of the most popular marine gearboxes, including 4" nominal gearbox flanges of PRM, Borgwarner