SKU:
ALP 428025
ID
1416567
$ 95.14
1-2 weeks delivery time
Shaft Diameter:
- 25
- 30
- 35
- 40
- 45
- 50
- 55
- 60
Stern Tube Diameter:
- 1 1/2"
- 1 3/4"
- 1 7/8"
- 2 1/8"
- 2 3/8"
- 2 5/8"
- 3 1/4"
- 3"
Length, mm:
- 8"
- 4"
- 5"
- 5 1/2"
- 7"
- 9"
- 6 1/2"
- 9 1/2"
Allpa neoprene propeller shaft bearing with a resin outer housing for marine propulsion shaft support. Features a neoprene inner bearing surface and a cylindrical non-metallic outer shell. Available for propeller shaft diameters of Ø25, 30, 35, 40, 45, 50, 55 and 60 mm, with corresponding outer diameters from Ø38.10 to Ø82.55 mm (1 1/2" to 3 1/4"). Bearing lengths range from 101.60 to 241.30 mm (4" to 9 1/2"), depending on the selected model. Designed for marine propeller shaft bearing installations.
- Description
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Allpa Neoprene Propeller Shaft Bearing with Resin Housing for Ø25–60 mm Shafts
The Allpa Neoprene Propeller Shaft Bearing with Resin Housing is a cylindrical marine shaft bearing featuring a neoprene inner bearing surface and a resin outer casing. It is designed to support rotating propeller shafts in marine propulsion systems.
The neoprene inner lining provides the bearing surface for the propeller shaft, while the resin housing forms the external cylindrical structure of the bearing assembly.
The range includes eight configurations for propeller shaft diameters from 25 to 60 mm, with different outer diameters and lengths to match the required installation dimensions.
Key Features
- Neoprene bearing lining: Internal bearing surface for the rotating propeller shaft.
- Resin outer housing: Non-metallic cylindrical bearing casing.
- Marine shaft bearing: Designed for propeller shaft support applications.
- Eight available shaft sizes: Ø25, Ø30, Ø35, Ø40, Ø45, Ø50, Ø55 and Ø60 mm.
- Multiple outer diameters: Available from Ø38.10 to Ø82.55 mm.
- Model-specific lengths: Available from 101.60 to 241.30 mm.
- Metric and imperial dimensions: Shaft diameters specified in millimetres, with outer diameters and lengths provided in both millimetres and inches.
Technical Specifications
Parameter Specification Brand Allpa Product Type Propeller Shaft Bearing Bush Application Marine Propeller Shaft Systems Inner Bearing Material Neoprene Outer Housing Material Resin (Plastic) Bearing Design Cylindrical Sleeve Propeller Shaft Diameter Ø25–60 mm, Depending on Model Outer Bearing Diameter Ø38.10–82.55 mm (1 1/2"–3 1/4") Bearing Length 101.60–241.30 mm (4"–9 1/2") Available Configurations 8
Available Models and Dimensions
The following table provides the propeller shaft diameter, outer bearing diameter and overall bearing length for each configuration.
Article Number Shaft Diameter Outer Diameter Length 428025 Ø25 mm Ø38.10 mm (1 1/2") 101.60 mm (4") 428030 Ø30 mm Ø44.45 mm (1 3/4") 127.00 mm (5") 428035 Ø35 mm Ø47.62 mm (1 7/8") 139.70 mm (5 1/2") 428040 Ø40 mm Ø53.97 mm (2 1/8") 165.10 mm (6 1/2") 428045 Ø45 mm Ø60.32 mm (2 3/8") 177.80 mm (7") 428050 Ø50 mm Ø66.67 mm (2 5/8") 203.20 mm (8") 428055 Ø55 mm Ø76.20 mm (3") 228.60 mm (9") 428060 Ø60 mm Ø82.55 mm (3 1/4") 241.30 mm (9 1/2")
Neoprene Bearing Lining
The bearing features an internal neoprene lining designed to provide a contact surface for the rotating propeller shaft.
The inner diameter corresponds to the specified propeller shaft size. Eight metric shaft sizes are available, ranging from 25 to 60 mm.
Resin Outer Housing
The outer casing is manufactured from resin and forms a cylindrical housing around the neoprene bearing lining.
The non-metallic housing is available in different outside diameters to suit the installation dimensions of the shaft bearing assembly.
Bearing Dimensions
Each bearing is defined by three principal dimensions:
- Inner Diameter: The nominal propeller shaft diameter, from Ø25 to Ø60 mm.
- Outer Diameter: The outside diameter of the resin bearing housing, from Ø38.10 to Ø82.55 mm.
- Overall Length: The axial length of the bearing sleeve, from 101.60 to 241.30 mm.
All three dimensions must be checked when selecting a replacement bearing.
Application
The Allpa neoprene propeller shaft bearing is designed for marine propulsion shaft support applications. The cylindrical bearing is selected according to the shaft diameter and the dimensions of the bearing installation.
The combination of a neoprene inner bearing surface and resin outer housing provides a non-metallic bearing assembly for marine shaft systems.
Selection and Compatibility
Select the correct bearing by matching the propeller shaft diameter, outer housing diameter and overall bearing length.
- 428025: Ø25 mm shaft, Ø38.10 mm outer diameter, 101.60 mm length.
- 428030: Ø30 mm shaft, Ø44.45 mm outer diameter, 127.00 mm length.
- 428035: Ø35 mm shaft, Ø47.62 mm outer diameter, 139.70 mm length.
- 428040: Ø40 mm shaft, Ø53.97 mm outer diameter, 165.10 mm length.
- 428045: Ø45 mm shaft, Ø60.32 mm outer diameter, 177.80 mm length.
- 428050: Ø50 mm shaft, Ø66.67 mm outer diameter, 203.20 mm length.
- 428055: Ø55 mm shaft, Ø76.20 mm outer diameter, 228.60 mm length.
- 428060: Ø60 mm shaft, Ø82.55 mm outer diameter, 241.30 mm length.
Before ordering, verify the actual propeller shaft diameter, required bearing outside diameter and available installation length.
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