Allpa Bronze Cruciform Clamp Half-Coupling for Ø25–30 mm Propeller Shafts

Name: Allpa Bronze Cruciform Clamp Half-Coupling for Ø25–30 mm Propeller Shafts
SKU: ALP 518002

SKU: ALP 518002

ID 1416627

$ 330.28

1-2 weeks delivery time

Shaft Diameter:

Allpa bronze cruciform clamp half-coupling for marine propeller shaft connections, available for Ø25 and Ø30 mm shafts. Features a cross-shaped mounting flange with four Ø10 mm fixing holes on an Ø82.5 mm pitch circle, as specified in the supplied product descriptions. The Ø30 mm version (518003) has a 65 mm axial dimension B, 102 mm overall flange dimension G, 10 mm dimension E, 10 mm dimension H and a 4" reference size. Designed for use in marine propeller shaft coupling assemblies.

Description
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Allpa Bronze Cruciform Clamp Half-Coupling for Ø25–30 mm Propeller Shafts

The Allpa Bronze Cruciform Clamp Half-Coupling is a marine propulsion shaft connection component manufactured from bronze. It features a cross-shaped mounting flange and a clamping arrangement for attachment to the propeller shaft.

The cruciform flange provides four mounting positions for connection to a corresponding coupling component. Two configurations are listed for 25 mm and 30 mm propeller shafts.

The supplied product descriptions specify four Ø10 mm fixing holes on an Ø82.5 mm pitch circle for both versions. Additional dimensions are available for the 30 mm model.

Key Features

Bronze construction: Half-coupling manufactured from bronze.
Cruciform flange: Cross-shaped mounting design with four fixing positions.
Clamp connection: Clamping arrangement for securing the half-coupling to the propeller shaft.
Two shaft sizes: Versions listed for Ø25 mm and Ø30 mm shafts.
Four mounting holes: Ø10 mm fixing holes specified in the product descriptions.
Mounting pitch circle: Ø82.5 mm specified for both versions.
Marine application: Intended for propeller shaft coupling assemblies.

Technical Specifications

Parameter	Specification
Brand	Allpa
Product Type	Cruciform Clamp Half-Coupling
Material	Bronze
Application	Marine Propeller Shaft Couplings
Flange Design	Cruciform / Cross-Shaped
Shaft Attachment	Clamping
Available Shaft Diameters	Ø25 and Ø30 mm
Mounting Holes	4 × Ø10 mm
Mounting Hole Pitch Circle	Ø82.5 mm
Available Configurations	2 Listed Versions

Available Models

Article Number	Propeller Shaft Diameter	Pitch Circle Diameter	Mounting Holes
518002	Ø25 mm	Ø82.5 mm	4 × Ø10 mm
518003	Ø30 mm	Ø82.5 mm	4 × Ø10 mm

Technical Dimensions – Article 518003

The following dimensions apply specifically to the Ø30 mm shaft configuration.

Drawing Parameter	Dimension
Dimension B	65 mm
Dimension D – Shaft Diameter	Ø30 mm
Dimension E	10 mm
Dimension G	102 mm
Dimension H	Ø10 mm
Dimension I – Pitch Circle Diameter	Ø82.5 mm
Reference Size	4"

Bronze Cruciform Flange

The coupling features a cross-shaped bronze flange with four mounting positions. This arrangement provides the bolted connection interface for the corresponding shaft coupling component.

The Ø30 mm configuration has an overall flange dimension G of 102 mm and a mounting hole pitch circle I of Ø82.5 mm.

Clamping Arrangement

The half-coupling incorporates a clamping arrangement for attachment to the propeller shaft. The selected version must match the nominal shaft diameter.

Selection and Compatibility

Select the correct half-coupling according to the propeller shaft diameter and the mounting dimensions of the corresponding coupling flange.

518002: For Ø25 mm propeller shafts.
518003: For Ø30 mm propeller shafts.

Before ordering, verify the shaft diameter, mounting hole diameter, pitch circle diameter and compatibility with the mating coupling component.