Description
1-3/8 X 2-3/8 X 5-1/2 Bronze Propeller Hub | Boat Supply Store
This precisely machined bronze propeller hub ensures secure mounting and optimal power transfer for your marine propulsion system. Engineered with a 1-3/8 inch shaft bore and a 2-3/8 inch propeller bore, it provides a robust connection for propellers up to 5-1/2 inches in diameter. Its durable bronze construction resists corrosion in harsh saltwater environments, making it ideal for offshore fishing vessels operating on the Gulf Coast.
Key Features
- Durable Bronze Construction for superior saltwater corrosion resistance.
- 1-3/8 Inch Shaft Bore ensures a precise fit for standard propeller shafts.
- 2-3/8 Inch Propeller Bore accommodates a wide range of propeller hub sizes.
- 5-1/2 Inch Overall Length offers ample support for propeller blades.
- Engineered for Reliable Power Transfer to maximize propulsion efficiency.
- Resists Cavitation Damage in demanding operational conditions.
- Direct Replacement Fitment for many common sterndrive and outboard applications.
- Precision Machined Dimensions for balanced and vibration-free operation.
Specifications
| Product Specifications | |
|---|---|
| Shaft Bore | 1-3/8" |
| Propeller Bore | 2-3/8" |
| Overall Length | 5-1/2" |
Who This Is For
This propeller hub is designed for marine mechanics and boat owners performing routine maintenance or repairs on sterndrive and outboard engines. It is particularly suitable for vessels where replacing worn or damaged propeller hubs is necessary for restoring optimal engine performance.
How It Compares
| Feature | 1-3/8 X 2-3/8 X 5-1/2 Bronze Propeller Hub | Unknown |
|---|---|---|
| Shaft Bore | 1-3/8" | Typically less capable |
| Propeller Bore | 2-3/8" | Typically less capable |
| Overall Length | 5-1/2" | Typically less capable |
| Material | Bronze | Typically less capable |
Common Concerns Answered
Will this hub fit my specific propeller?
This hub features a 2-3/8 inch propeller bore, designed to accommodate propellers with a matching hub size. Always verify your existing propeller's hub diameter before purchasing.
Is this hub suitable for saltwater use?
Yes, the durable bronze construction provides excellent resistance to saltwater corrosion, ensuring longevity in marine environments.
What tools are required for installation?
Installation typically requires standard hand tools, including a socket set or wrench for securing the propeller nut and a prop puller if propeller removal is necessary. Consult your engine's service manual for specific torque values.
Frequently Asked Questions
What is the primary function of a propeller hub?
The propeller hub acts as the central component that connects the propeller to the drive shaft, allowing for the transfer of rotational power from the engine to the water.
How does the shaft bore size impact fitment?
The 1-3/8 inch shaft bore ensures a secure and precise fit onto the corresponding diameter propeller shaft of your marine engine.
What is the benefit of a bronze propeller hub over aluminum?
Bronze offers superior strength and corrosion resistance in marine environments compared to aluminum, leading to increased durability and a longer service life, especially in saltwater applications.
Can this hub be used on both sterndrive and outboard engines?
This hub is designed for common sterndrive and outboard applications where the shaft and propeller bore dimensions match the specifications.
What is the significance of the propeller bore dimension?
The 2-3/8 inch propeller bore is critical for ensuring the hub properly interfaces with the propeller's internal hub diameter, allowing for secure mounting and efficient blade engagement.