- 25
- 30
- 35
- 45 × 35
- 50 × 40
- 60 × 44
- Description
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Allpa Aluminum Stern Tube with Neoprene Bearing for Propeller Shafts Ø25–35 mm, 1500 mm
The Allpa Aluminum Stern Tube with Neoprene Bearing is designed for inboard marine propulsion installations with propeller shaft diameters of 25, 30 and 35 mm. The aluminum tube forms part of the vessel's propeller shaft installation and is supplied complete with a neoprene bearing.
Three configurations are available, featuring outside tube diameters from 45 to 60 mm and inside diameters from 35 to 44 mm. All versions have an overall length of 1500 mm.
Key Features
- Aluminum construction: Stern tube for marine propulsion shaft installations.
- Neoprene bearing: Supplied complete with a neoprene bearing.
- Inboard application: Designed for inboard propeller shaft systems.
- Available shaft diameters: 25, 30 and 35 mm.
- Tube dimensions: Outside and inside diameters matched to each shaft size.
- Overall length: 1500 mm for all configurations.
- Three available versions: Individual article numbers for each shaft diameter and tube size.
Technical Specifications
Parameter Specification Brand Allpa Product Type Aluminum Stern Tube with Bearing Material Aluminum Application Inboard Propeller Shaft Systems Compatible Shaft Diameters 25, 30, 35 mm Tube Outside Diameters 45, 50, 60 mm Tube Inside Diameters 35, 40, 44 mm Overall Length 1500 mm Included Bearing Neoprene Bearing Available Versions 3
Available Sizes and Dimensions
Article Number Propeller Shaft Ø Tube Outside Ø Tube Inside Ø Length 9042825 25 mm 45 mm 35 mm 1500 mm 9042830 30 mm 50 mm 40 mm 1500 mm 9042835 35 mm 60 mm 44 mm 1500 mm
Construction and Bearing
The stern tube is manufactured from aluminum and includes a neoprene bearing for the corresponding propeller shaft diameter. The tube dimensions vary according to shaft size, while the overall length remains 1500 mm across the range.
Selection and Installation
Before ordering, verify the following parameters:
- Propeller Shaft Diameter: 25, 30 or 35 mm.
- Tube Outside Diameter: Required external mounting dimension.
- Tube Inside Diameter: Internal tube dimension for the selected configuration.
- Overall Length: 1500 mm.
- Bearing Compatibility: Match the included neoprene bearing to the propeller shaft diameter.
Select the appropriate stern tube according to the propeller shaft diameter and the dimensions required for the marine propulsion installation.
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