Nk450B Swing Bearing
2. Product Structure: Rolling Element Arrangement: Single-row cross rollers or double-row balls.
3. Size Range: Inner Diameter: 450-500mm, Outer Diameter: 600-650mm, Height: 60-80mm. Custom sizes available.
4. Material: Base Material: 42CrMo, 50Mn special alloy steel.
Rolling Elements: GCr15SiMn high-purity bearing steel.
5. Applications: Crawler cranes, excavators, rotary drilling rigs, portal cranes, container spreaders, steelmaking converters, continuous casting equipment, large amusement rides, stage machinery,
Nk450B Swing Bearing - High-Performance Slewing Solution for Heavy Machinery
When you need reliable performance in heavy-duty construction equipment, the Nk450B Swing Bearing delivers exceptional results. This high-performance slewing instrument is particularly designed for requesting applications where smooth revolution and predominant stack capacity are basic. Your apparatus merits a bearing arrangement that combines progressed designing with demonstrated toughness. The item meets these prerequisites through optimized auxiliary plan and premium materials, guaranteeing reliable execution in the most challenging working conditions. With its strong development and accuracy fabricating, this bearing gives the unwavering quality you require for basic applications.
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Product Overview
This specialized slewing bearing highlights an inventive plan that maximizes operational productivity whereas minimizing support prerequisites. You'll advantage from its remarkable load-bearing capabilities and smooth rotational execution, making it perfect for different overwhelming apparatus applications.
Key Specifications
Dimensional Range:
- Inner Diameter: 450-500mm
- Outer Diameter: 600-650mm
- Height: 60-80mm
- Custom sizes available upon request
Construction Details:
- Rolling Element Arrangement: Single-row cross rollers or double-row balls
- Base Material: 42CrMo, 50Mn special alloy steel
- Rolling Elements: GCr15SiMn high-purity bearing steel
- Precision Grades: P0, P6, P5, and P4 available
Superior Engineering Features
You can count on advanced manufacturing processes that ensure consistent quality and performance. Our precision heat treatment procedures enhance the bearing's strength and stability, while the optimized geometry reduces friction and wear.
The bearing's design incorporates proven engineering principles that maximize load distribution across the rolling elements. This approach extends service life and maintains smooth operation even under heavy loads.
Primary Applications
Your construction and industrial equipment will benefit from this versatile bearing solution:
- Crawler cranes and mobile cranes
- Excavators and earthmoving equipment
- Rotary drilling rigs
- Portal cranes and container spreaders
- Steelmaking converters
- Continuous casting equipment
- Large amusement rides
- Stage machinery and rotating platforms

Manufacturing Excellence
Our modern production facility in Luoyang combines advanced equipment with skilled craftsmanship. You receive bearings that meet strict quality standards through comprehensive testing procedures.
Every Nk450B Swing Bearing undergoes rigorous inspection using coordinate measuring machines, vibration testers, and specialized bearing analysis equipment. This thorough quality control process ensures consistent performance and reliability.
Custom Solutions Available
We understand that standard specifications don't always meet unique application requirements. Our engineering team provides customized bearing solutions tailored to your specific needs. Whether you require modified dimensions, special materials, or unique performance characteristics, we deliver solutions that match your exact requirements.
Global Quality Standards
Our products comply with international standards including DIN, ISO, and GB specifications. You can confidently specify our bearings for global projects, knowing they meet stringent quality requirements across different markets.

Professional Support Services
Our experienced engineering team provides comprehensive technical support throughout your project lifecycle. From initial selection guidance to installation assistance, we ensure you receive the expertise needed for successful bearing implementation.
Fast delivery options are available for standard configurations, while our flexible manufacturing capabilities accommodate custom orders efficiently. The product represents our commitment to delivering superior bearing solutions that exceed your performance expectations.
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FAQ
Q: What load capacities can the product handle?
A: Load capacity varies based on specific configuration and application conditions. Our engineering team can provide detailed load calculations based on your operating parameters and safety requirements.
Q: How do I determine the correct bearing size for my application?
A: We recommend consulting with our technical team who can analyze your specific requirements including load conditions, rotational speeds, and mounting constraints to recommend the optimal bearing configuration.
Q: What maintenance procedures are recommended?
A: Regular lubrication according to manufacturer specifications and periodic inspection of seals and mounting surfaces help maximize bearing life. We provide detailed maintenance guidelines with each bearing shipment.
Q: Can you provide custom mounting solutions?
A: Yes, we offer comprehensive customization services including modified dimensions, special sealing arrangements, and unique mounting configurations to meet specific application needs.
Q: What is the typical delivery time?
A: Standard configurations typically ship within 2-3 weeks, while custom bearings may require 4-6 weeks depending on complexity. Contact us for specific delivery schedules.
Q: Do you provide installation support?
A: Our engineering team offers installation guidance and technical support to ensure proper bearing installation and optimal performance in your application.
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Contact Us
Do you have more questions about Nk450B Swing Bearing? Email mia@hgb-bearing.com for samples or technical details!
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