This solid half coupling is machined from solid steel and mates with the gearbox output coupling to connect a boat propeller shaft to the gearbox, usually via a flexible coupling. This solid shaft half coupling is pilot bored and needs to be machined to suit the boat propeller shaft diameter.

Typical applications include: 5" nominal gearbox flanges of PRM, Borgwarner Velvet Drive, ZF, Hurth, Technodrive and Volvo gearboxes.

Replaces PRM coupling MT771.

Coupling dimensions:

a - Flange outside diameter = 5.00"

b - Hole pitch circle = 4.25"

c - Number of holes = 4

d - Hole size = 0.44"

e - Register diameter = 2.50" male

f - Coupling length = 2.16"

g - Coupling boss diameter = 3.3"

h - Pilot bore diameter: 19mm (for customer machining to parallel or taper as required.)

R & D Marine Solid type shaft coupling number 202-027 Pilot Bored