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R&D Marine 4" Solid Half Coupling Pilot Bored

Part No. 808400

£37.09 You pay £37.09 Incl VAT You pay £30.91 Excl VAT

RRP £40.10 £33.42

Save £3.01 (7.5%) Save £2.51 (7.5%)


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Brand R&D Marine
Country of Origin United Kingdom
Model 202-026
Gearbox Output Coupling Diameter 4.00" / 101.6mm
Coupling PCD 3.25" / 82.55mm
Number of Fixing Holes 4
Coupling Register Diameter 2.50" / 63.5mm
Register Gender Male
Shaft Size Pilot Bored
Length 2.16"
Replaces PRM shaft coupling MT3054.

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 half coupling is pilot bored and needs to be machined to suit the boat propeller shaft diameter.

Typical applications include:
4" nominal gearbox flanges of PRM, Borgwarner Velvet Drive, ZF, Hurth and Technodrive gearboxes.
Can replace PRM shaft coupling MT3054

Coupling dimensions:
a - Flange outside diameter = 4.00"
b - Hole pitch circle = 3.25"
c - Number of holes = 4
d - Hole size = 10mm
e - Register diameter = 2.50" male
f - Coupling length = 2.16"
g - Coupling boss diameter = 2.25"
h - Pilot bore diameter: 16.5mm (for customer machining to parallel or taper as required.)
Solid Half Coupling Dimensions Diagram

R & D Marine Solid type shaft coupling number 202-026 Pilot Bored

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