All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Vehicle Parts & Accessories
Marine Parts & Accessories
Marine Propellers
  • High Quality Composite Propeller Bracket Bearing Excellent Stability Bronze Stern Tube Bearing Marine Supplies
  • High Quality Composite Propeller Bracket Bearing Excellent Stability Bronze Stern Tube Bearing Marine Supplies
  • High Quality Composite Propeller Bracket Bearing Excellent Stability Bronze Stern Tube Bearing Marine Supplies
  • High Quality Composite Propeller Bracket Bearing Excellent Stability Bronze Stern Tube Bearing Marine Supplies
  • High Quality Composite Propeller Bracket Bearing Excellent Stability Bronze Stern Tube Bearing Marine Supplies
  • High Quality Composite Propeller Bracket Bearing Excellent Stability Bronze Stern Tube Bearing Marine Supplies
High Quality Composite Propeller Bracket Bearing Excellent Stability Bronze Stern Tube Bearing Marine Supplies
Ready to Ship
In stock Fast dispatch

High Quality Composite Propeller Bracket Bearing Excellent Stability Bronze Stern Tube Bearing Marine Supplies

$146.00-$146.00/ Piece|1 Piece/Pieces(Min. Order)
View product details

High Quality Composite Propeller Bracket Bearing Excellent Stability Bronze Stern Tube Bearing Marine Supplies

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Structural Support & Stability: Designed to securely mount and stabilize marine propeller shafts, ensuring precise alignment and reducing vibration in aquatic environments.
  • Corrosion Resistance & Durability: The bronze/brass outer casing provides exceptional corrosion resistance and structural integrity, while the ribbed inner surface (composite material) minimizes friction and wear for long-term performance.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With a corrosion-resistant bronze and brass exterior combined with a composite inner material, you can ensure long-lasting durability in marine environments. ~20% more corrosion-resistant than traditional all-metal marine bearings*

  • 2. Enhanced Performance via Ribbed Inner Design

    • With a ribbed inner surface design, you can reduce wear and friction by up to 30% during high-speed operation compared to smooth-surface bearings*. This improves stability and extends component lifespan.

  • 3. Versatile Marine Application Solutions

    • With marine-grade materials and structural design, you can maintain optimal performance in saltwater and harsh conditions. Ideal for both recreational boats and commercial vessels*.

  • 4. Customizable Inner Material Adaptability

    • With customizable inner material options (e.g., polymer or specialized composites), you can tailor performance to specific needs like reduced friction or enhanced grip. Offers twice as many customization options as standard marine bearings*.

  • 5. Compliance with Industry Standards

    • With compliance to marine safety and durability certifications (e.g., ISO 9001), you can ensure reliable performance in critical applications. Certifications are subject to manufacturer confirmation*.

Product details

High Quality Composite Propeller Bracket Bearing Excellent Stability Bronze Stern Tube Bearing Marine Supplies

The High Quality Composite Propeller Bracket Bearing is a robust marine component engineered for stability and durability. Combining corrosion-resistant bronze/brass exteriors with a ribbed composite inner surface, it ensures seamless performance in harsh marine environments. Designed for stern tube applications, this bearing optimizes propeller alignment while minimizing wear and friction.

Technical specifications

FeatureSpecificationApplication Scenario
Material CompositionBronze/brass outer, composite innerMarine propellers, stern tube systems
Structural DesignRibbed inner surface, cylindrical shapeReduces friction in rotating assemblies
Corrosion ResistanceMarine-grade bronze alloySaltwater exposure, long-term use
Load Capacity500-1500 kg (adjustable via material)Heavy-duty marine propulsion systems

Customization guide

Adjust the inner composite material (e.g., PEEK, nylon, or Teflon) to meet specific requirements:

  • Low-friction applications: Use PEEK for high-temperature resistance.
  • Chemical exposure: Opt for Teflon to prevent corrosion.
  • Cost-sensitive projects: Select nylon for lightweight durability.

Get inspired

With its bronze exterior and ribbed composite core, this bearing ensures stable propeller alignment even in turbulent waters. The non-metallic inner surface reduces wear on mating components, extending system lifespan. For example, marine engineers use this design to prevent saltwater corrosion in stern tubes, lowering maintenance costs.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Corrosion ResistanceMarine Standard20% higherTriple industry norm*
Max Load Capacity800 kg1200 kg1500 kg
Inner MaterialStandard nylonEnhanced PEEKCustom composite

Supplier's note

  1. Technical Breakthroughs:

    • Composite Core: The ribbed inner surface cuts friction by 30% vs. solid-metal designs.
    • Dual-Material Construction: Bronze outer layers outlast stainless steel in saltwater (tested per ASTM B117).
    • Modular Design: Adjustable inner material allows adaptation to 90% of marine propulsion systems.

  2. Version Selection Guide:

    • Base Model: Ideal for small vessels (e.g., fishing boats) prioritizing cost-efficiency.
    • Advanced Model: Suited for commercial ships requiring PEEK’s thermal stability in engine rooms.
    • Pro Model: Essential for offshore platforms where triple corrosion resistance and 1500 kg load capacity are critical. With the Pro’s custom composite, operators can handle abrasive seawater while maintaining precision alignment.

*Triple industry norm: Exceeds ISO 2034:2016 corrosion resistance standards by 200%.

Frequently asked questions

  • Which marine propeller bracket model suits small boats for excellent stability?

  • How to clean and maintain a bronze stern tube bearing in saltwater environments?

  • Bronze vs composite materials: Which is better for marine propeller brackets?

  • Can the inner material of the stern tube bearing be customized for reduced friction?

  • Is the bronze material in marine propeller brackets marine-grade certified?

  • How does the ribbed inner surface enhance stability in marine propeller brackets?

  • Does the composite propeller require special tools for installation?

  • What guarantees the longevity of marine propeller brackets in saltwater?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionMarine propulsion systems, saltwater environmentsIndustry Standard: Stainless Steel (304)
Our Base: Bronze (ASTM B124)
Our Advanced: Bronze + Composite (ISO 527)		▲ Base: 30% lighter than steel, corrosion-resistant
▲ Advanced: 50% lighter, 2x fatigue resistance		▲ Base: Higher cost than steel
▲ Advanced: Requires specialized installation
Noise LevelYachts, submarines, silent vesselsIndustry Standard: 50 dBA (ISO 3095)
Our Base: 45 dBA (ISO 3095)
Our Advanced: 40 dBA (ISO 3095)		▲ Base: 10% quieter than standard
▲ Advanced: 20% quieter (quieter than a whisper)		▲ Advanced: Slightly higher cost due to ribbed inner design
Chemical ResistanceHarsh marine environments (acidic/alkaline)Industry Standard: Passes ASTM D543 (30 chemicals)
Our Base: Passes ASTM F739 (50+ chemicals, 30min exposure)
Our Advanced: Passes ASTM F739 (70+ chemicals, 60min exposure)		▲ Base: Resists 66% more chemicals than standard
▲ Advanced: Doubles exposure time		▲ Advanced: Limited availability in custom sizes
WeightHigh-speed boats, lightweight vesselsIndustry Standard: 300g (steel)
Our Base: 250g (bronze)
Our Advanced: 200g (composite)		▲ Base: 17% lighter
▲ Advanced: 33% lighter (ideal for speed)		▲ Advanced: Less structural rigidity in extreme loads
Temperature RangeArctic/Antarctic research vesselsIndustry Standard: -20°C to 80°C
Our Base: -30°C to 100°C
Our Advanced: -40°C to 120°C (heat-treated)		▲ Base: Operates in freezing conditions
▲ Advanced: Withstands extreme thermal shocks		▲ Advanced: Requires thermal lubrication (extra maintenance)
CustomizationCustom marine projects, niche applicationsIndustry Standard: Limited (standard sizes)
Our Base: Inner material customizable (plastic/polymer)
Our Advanced: Full customization (material + ribbed texture)		▲ Base: Adapts to friction needs
▲ Advanced: Tailored for unique load distributions		▲ Advanced: Longer lead times for bespoke designs

Related searches

bubble milk tea natural fruit bubblehello kitties cartoon logo 3d rugsvagina stimulation vibrator sex toy forcar awning for suv best carauto level graderhydraulic motor grader autometal brass aglet brass aglet forbldc motor permanent magnet motor microsealing machine portable sealermercedes gle body kit gle bbcontainer chassis container chassis 4020 containergalvanized steel coil galvanized steel sheetneodymium magnet refrigerator hook fishingrod butt welder tube butt weldercomputer staff chair staff chair with7mm re-inforced cement steel wire 7mm

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.