SKU:
ALP 408022
ID
1416576
$ 166.97
1-2 weeks delivery time
Shaft Diameter:
- 22
- 25
- 30
- 35
- 40
- 45
- 50
- 55
- 60
- 65
- 70
- 75
- 80
- 90
Stern Tube Diameter:
- 1 1/2"
- 1 1/4"
- 1 3/4"
- 1 7/8"
- 2 1/8"
- 2 3/8"
- 2 5/8"
- 3 1/4"
- 3 3/4"
- 3 3/8"
- 3"
- 4 1/2"
- 4"
Length, mm:
- 8"
- 3"
- 4"
- 5"
- 5 1/2"
- 7"
- 9"
- 11"
- 12"
- 14"
- 6 1/2"
- 9 1/2"
- 10 1/2"
Allpa neoprene propeller shaft bearing with a brass outer housing for marine propulsion shaft support. Features a neoprene inner bearing lining and a cylindrical brass shell. Available for metric propeller shaft diameters of Ø22, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80 and 90 mm. Outer bearing diameters range from 1 1/4" to 4 1/2" (31.75–114.30 mm), with overall lengths from 3" to 14" (76.20–355.60 mm), depending on the selected model. Designed for marine propeller shaft bearing installations.
- Description
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Allpa Neoprene Propeller Shaft Bearing with Brass Housing for Ø22–90 mm Shafts
The Allpa Neoprene Propeller Shaft Bearing with Brass Housing is a cylindrical marine shaft bearing featuring a neoprene inner bearing lining and a brass outer casing. It is designed to provide bearing support for rotating propeller shafts in marine propulsion systems.
The neoprene lining forms the internal bearing surface, while the brass housing provides the outer cylindrical structure for installation in a compatible bearing arrangement.
The range includes 14 configurations for propeller shaft diameters from 22 to 90 mm, with model-specific outer diameters and lengths.
Key Features
- Neoprene bearing lining: Internal bearing surface for the propeller shaft.
- Brass outer housing: Cylindrical metal casing surrounding the neoprene lining.
- Marine shaft bearing: Designed for propeller shaft support applications.
- Metric shaft compatibility: Available for 14 shaft diameters from Ø22 to Ø90 mm.
- Multiple outer diameters: From Ø31.75 to Ø114.30 mm.
- Model-specific lengths: From 76.20 to 355.60 mm.
- Metric and imperial specifications: Shaft sizes in millimetres, with outer diameters and lengths stated in 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 Brass Bearing Design Cylindrical Sleeve Propeller Shaft Diameter Ø22–90 mm, Depending on Model Outer Bearing Diameter Ø31.75–114.30 mm (1 1/4"–4 1/2") Bearing Length 76.20–355.60 mm (3"–14") Available Configurations 14
Available Models and Dimensions
The following table provides the propeller shaft diameter, outside bearing diameter and overall bearing length for each configuration.
Article Number Shaft Diameter Outer Diameter Length 408022 Ø22 mm Ø31.75 mm (1 1/4") 76.20 mm (3") 408025 Ø25 mm Ø38.10 mm (1 1/2") 101.60 mm (4") 408030 Ø30 mm Ø44.45 mm (1 3/4") 127.00 mm (5") 408035 Ø35 mm Ø47.62 mm (1 7/8") 139.70 mm (5 1/2") 408040 Ø40 mm Ø53.97 mm (2 1/8") 165.10 mm (6 1/2") 408045 Ø45 mm Ø60.32 mm (2 3/8") 177.80 mm (7") 408050 Ø50 mm Ø66.67 mm (2 5/8") 203.20 mm (8") 408055 Ø55 mm Ø76.20 mm (3") 228.60 mm (9") 408060 Ø60 mm Ø82.55 mm (3 1/4") 241.30 mm (9 1/2") 408065 Ø65 mm Ø85.72 mm (3 3/8") 266.70 mm (10 1/2") 408070 Ø70 mm Ø95.25 mm (3 3/4") 279.40 mm (11") 408075 Ø75 mm Ø101.60 mm (4") 304.80 mm (12") 408080 Ø80 mm Ø101.60 mm (4") 304.80 mm (12") 408090 Ø90 mm Ø114.30 mm (4 1/2") 355.60 mm (14")
Neoprene Bearing Lining
The bearing incorporates a neoprene inner lining that provides the contact surface for the rotating propeller shaft.
The internal bearing diameter corresponds to the selected metric shaft size, ranging from 22 to 90 mm.
Brass Outer Housing
The cylindrical outer housing is manufactured from brass. It surrounds and supports the neoprene bearing lining and provides the external surface of the bearing assembly.
The available outside diameters range from 31.75 to 114.30 mm, depending on the model.
Bearing Dimensions
Each bearing is identified by three principal dimensions:
- Propeller Shaft Diameter: The internal bearing size, specified in millimetres.
- Outer Bearing Diameter: The external diameter of the brass housing, specified in millimetres and inches.
- Bearing Length: The overall axial length of the cylindrical bearing, specified in millimetres and inches.
All three dimensions should be verified when selecting a replacement bearing.
Application
The Allpa neoprene propeller shaft bearing with brass housing is designed for marine propulsion shaft support applications. The cylindrical bearing is installed in a compatible bearing housing or shaft support arrangement.
Selection and Compatibility
Select the correct bearing according to the propeller shaft diameter, brass housing outside diameter and overall length.
For Ø75 and Ø80 mm shafts, the specified models have the same outside diameter of 4" and length of 12", but different shaft bore diameters.
Before ordering, verify all three dimensions against the existing bearing and shaft installation.
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