Vetus BL Bronze Stern Tube with Mounting Flange and Cutlass Bearing Ø25–50 mm

Name: Vetus BL Bronze Stern Tube with Mounting Flange and Cutlass Bearing Ø25–50 mm
SKU: Vetus BL25/500

SKU: Vetus BL25/500

ID 1415486

$ 547.56

1-2 weeks delivery time

Diameter, mm:

Length, mm:

500
1000
1500
2000
2500
3000

Vetus BL bronze stern tubes are designed for water-lubricated marine propeller shaft systems. Each assembly includes a bronze stern tube with mounting flange and one aft Cutlass bearing, with slots for easier bearing replacement. Available for shaft diameters from 25 to 50 mm, with standard tube lengths of 500–2000 mm for BL25 and BL30 models and custom lengths on request.

Description
Ask a Question

Vetus BL Bronze Stern Tube with Mounting Flange and Cutlass Bearing Ø25–50 mm

The Vetus BL Bronze Stern Tube is designed for water-lubricated marine propeller shaft systems. It consists of a bronze stern tube with an integrated mounting flange and one aft Cutlass bearing, providing support for the propeller shaft within the stern gear installation.

The stern tube features specially designed slots that facilitate the removal and replacement of the Cutlass bearing. Available in six sizes for shaft diameters from 25 to 50 mm, the BL series accommodates different marine propulsion configurations and installation requirements.

Key Features

Bronze stern tube: Designed for marine propulsion and stern gear applications.
Integrated mounting flange: Provides a mounting connection to the vessel's stern structure.
Aft Cutlass bearing: One bearing included in the stern tube assembly.
Easy bearing replacement: Specially designed slots facilitate removal and replacement of the Cutlass bearing.
Water-lubricated design: Suitable for marine propeller shaft systems using water lubrication.
Multiple shaft diameters: Available for Ø25, Ø30, Ø35, Ø40, Ø45 and Ø50 mm shafts.
Variable tube lengths: Standard lengths for selected models and additional lengths available on request.

Technical Specifications

Parameter	Specification
Manufacturer	Vetus
Product Series	BL
Product Type	Bronze Stern Tube Assembly
Material	Bronze
Lubrication	Water-Lubricated
Bearing Type	Aft Cutlass Bearing
Number of Bearings	1
Mounting	Integrated Mounting Flange
Shaft Diameter Range	25–50 mm
Standard Stern Tube Lengths	500, 1000, 1500 and 2000 mm for BL25 and BL30
Additional Lengths	On Request

Available Models and Dimensions

The Vetus BL series is available in six shaft diameters. The following dimensions are expressed in millimetres.

Model	Shaft Ø D	Tube Length B	K (min.)	L	Ø M	N	P	Q
BL25	25	500 / 1000 / 1500 / 2000	88	90	8.5	110	60	43
BL30	30	500 / 1000 / 1500 / 2000	105	100	8.5	120	67	49.5
BL35	35	On request	117	110	10.5	132	76	57
BL40	40	On request	113	116	10.5	138	82	62
BL45	45	On request	145	150	13	180	93	71
BL50	50	On request	162	165	15	197	99	76.1

Construction and Components

The Vetus BL stern tube assembly includes:

Bronze stern tube
Mounting flange
One aft Cutlass bearing

The bearing is positioned at the aft end of the stern tube. Slots incorporated into the tube allow easier access when the Cutlass bearing requires replacement.

Available Stern Tube Lengths

BL25 and BL30: Standard stern tube lengths are 500, 1000, 1500 and 2000 mm.

BL35, BL40, BL45 and BL50: Stern tube lengths are available on request.

Additional tube length can be specified in 500 mm increments, subject to the required configuration.

Selection and Installation

Select the appropriate Vetus BL stern tube according to the propeller shaft diameter and required stern tube length.

For a complete stern gear installation, the following dimensions must be specified:

A – Propeller Shaft Length: Required overall shaft length in mm.
B – Stern Tube Length: Required length of the bronze stern tube in mm.
D – Shaft Diameter: Propeller shaft diameter in mm.

The mounting flange dimensions and available installation space must also be considered to ensure the selected stern tube fits the vessel's stern gear arrangement.