Marine Crane Slewing Bearing
2. Product Structure: Optimized raceway design: Precision-machined raceway profile ensures even load distribution.
3. Dimension Range: Product dimensions: 3800 mm × 3800 mm × 260 mm
Machinable range: 50 mm - 10,000 mm
Customization Capabilities: We can design and manufacture custom designs based on your specific design drawings (e.g., mounting dimensions, gear parameters, raceway center distance, etc.)
4. Material: Base material: 50Mn/42CrMo high-quality alloy steel
Heat Treatment: Overall quenching and tempering treatment, hardness HB 260-300
Tooth Surface Hardening: Medium-frequency quenching treatment, hardness HRC 55-60
5. Applications: Marine cranes, ship propulsion systems, special marine equipment, and marine engineering
Marine Crane Slewing Bearing - Heavy-Duty Rotational Solutions for Marine Applications
When you're operating marine cranes in challenging offshore environments, you need a Marine Crane Slewing Bearing that delivers unwavering reliability. Our precision-engineered slewing bearings are specifically designed to handle the demanding conditions of marine operations, providing exceptional load capacity and rotational stability. With dimensions of 3800 × 3800 × 260 mm and ultra-high P5 grade precision, this product ensures your equipment operates smoothly even in the harshest maritime conditions.
What Makes Our Marine Crane Slewing Bearings Stand Out
Superior Engineering Design
Our slewing bearings feature an optimized raceway design with precision-machined profiles. This ensures even load distribution across the bearing surface, maximizing operational life and performance. The careful engineering reduces stress concentrations that could lead to premature failure in marine environments.
Premium Materials and Heat Treatment
We construct each bearing using 50Mn/42CrMo high-quality alloy steel as the base material. This steel undergoes comprehensive heat treatment processes:
- Overall quenching and tempering: Achieves hardness of HB 260-300
- Medium-frequency tooth surface hardening: Reaches HRC 55-60 for enhanced wear resistance
These treatments ensure your bearing withstands the corrosive marine environment while maintaining structural integrity under heavy loads.
Exceptional Load Handling Capability
Marine cranes face unique challenges with combined axial, radial, and moment loads. Our product excels in managing these complex load combinations. The bearing supports heavy but slow-turning operations typical in marine crane applications, from cargo handling to offshore construction projects.
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Technical Specifications
Dimensions: 3800 mm × 3800 mm × 260 mm
Precision Grade: P5 (ultra-high precision)
Manufacturing Range: 50 mm - 10,000 mm diameter
Base Material: 50Mn/42CrMo alloy steel
Surface Hardness: HRC 55-60 (gear teeth)
Core Hardness: HB 260-300
Applications Across Marine Industries
Marine Crane Operations
Perfect for deck cranes, offshore platform cranes, and port loading equipment where reliable rotation is critical.
Ship Propulsion Systems
Supports azimuth thrusters and podded propulsion systems requiring precise directional control.
Marine Engineering Equipment
Ideal for specialized offshore equipment including pipelay vessels, drilling platforms, and subsea construction tools.
Quality You Can Trust
Our ISO9001 certification reflects our commitment to quality excellence. Every Marine Crane Slewing Bearing undergoes rigorous testing using coordinate measuring machines, vibration testers, and life testing equipment. We maintain full traceability from raw materials through finished products.
With over 30 years of industry experience, our team of 50+ engineers specializes in slewing bearing design and manufacturing. This expertise translates into products that consistently exceed customer expectations across more than 50 countries.
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Customization for Your Specific Needs
We understand that marine applications often require unique solutions. Our engineering team can customize bearings based on your specific requirements:
- Modified mounting dimensions
- Custom gear parameters
- Specialized raceway configurations
- Non-standard size requirements
Whether you have detailed drawings or need design assistance, we provide comprehensive support from concept to delivery.
Why Choose Heng Guan Bearing?
Our location in Luoyang, China's bearing industry hub, gives us access to the latest manufacturing technologies and skilled craftspeople. We combine traditional expertise with modern CNC equipment including vertical lathes, gear shapers, and precision grinding machines.
Fast delivery times, professional technical support, and comprehensive after-sales service ensure your operations continue smoothly. Our flexible OEM/ODM partnerships accommodate diverse industry requirements.
Frequently Asked Questions
Q: What is the typical lifespan of a product?
A: With proper maintenance, our products typically operate for 10-15 years in standard marine conditions. Lifespan depends on load factors, operating frequency, and maintenance practices.
Q: Can you provide bearings with special coatings for corrosive environments?
A: Yes, we offer various surface treatments and coatings specifically designed for harsh marine environments. Contact us to discuss your specific corrosion protection requirements.
Q: What maintenance is required for these bearings?
A: Regular lubrication, periodic inspection for wear, and proper seal maintenance are essential. We provide detailed maintenance guidelines with each bearing shipment.
Q: Do you offer installation support for marine applications?
A: Absolutely. Our technical team provides installation guidance, and we can arrange on-site support for critical installations when needed.
Q: What is your typical delivery time for custom products?
A: Standard products ship within 2-3 weeks. Custom bearings typically require 6-8 weeks depending on complexity. Rush orders can often be accommodated.
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Contact Us
Ready to enhance your marine crane performance? Contact our engineering team at mia@hgb-bearing.com to discuss your specific Marine Crane Slewing Bearing requirements.
