Slewing Machine
2. Product Structure: We offer a variety of rotary machinery structures, including slewing bearings, slewing drives, transmission gears, and drive shafts.
3. Size Range: Inner Diameter: 50mm-8000mm, Outer Diameter: 80mm-10000mm, Height: 20mm-500mm. We also support special customization for oversized sizes.
4. Materials: Base Material: 42CrMo, 50Mn Special Alloy Steel
Rolling Elements: GCr15SiMn High-Purity Bearing Steel
Cage: Brass, Steel, or Engineering Plastic
Seal Material: Imported Nitrile Rubber or Fluororubber
5. Applications:
Engineering Machinery, Mining and Metallurgy, Electric Power, Environmental Protection Equipment, Petrochemicals, Transportation, Food and Pharmaceuticals
- Product Description
Slewing Machine
When you're looking for reliable rotational equipment to handle heavy loads in demanding industrial environments, our Slewing Machine delivers the precision and durability you need. Engineered by Luoyang Heng Guan Bearing Technology Co., Ltd, this rotary equipment integrates high-performance Slewing Bearings with advanced drive systems to support complex rotational movements. Whether you're operating cranes, excavators, or wind turbines, our product provides smooth rotation under combined axial, radial, and moment loads. Built from premium materials and manufactured to strict ISO standards, each unit ensures long service life even in harsh conditions.
Product Details
Our product consists of precision-engineered slewing bearings combined with transmission components that enable controlled rotational motion. The core structure includes inner and outer rings separated by hardened rolling elements—either balls or rollers—designed to distribute loads evenly across the raceway.
Working Principle:
The rolling elements sit between precision-ground raceways, allowing the inner and outer rings to rotate relative to each other. When torque is applied through integrated Gear teeth (internal or external), the system transmits rotational force while maintaining positional accuracy. Sealed lubrication channels protect against contamination and reduce friction.
Performance Advantages:
· Handles combined loads without requiring multiple bearing types
· Compact design reduces installation space and system weight
· Integrated gear options simplify drive train configuration
· Maintenance-friendly design with accessible lubrication points
Why Choose Us?
Proven Engineering & Manufacturing Expertise
With over 20 years of focused innovation in slewing technology, our dedicated team of 50+ design and production engineers understands the critical demands of heavy-duty rotational equipment. We possess the capability to manufacture precision slewing components from 50 mm to 10,000 mm in diameter.
Comprehensive Precision Grades
We provide a full range of precision classes (P0, P6, P5, and P4) to match the exact tolerance and performance needs of your application, from general machinery to high-precision positioning systems requiring minimal runout.
State-of-the-Art Production Facility
Our manufacturing plant is equipped with industry-leading machinery, including CNC vertical lathes, computer-controlled induction hardening lines, CNC gear shapers, and gear hobbing machines. This investment ensures consistent, high-precision manufacturing and reliable quality across every production batch.
Internationally Recognized Quality
We operate under an ISO 9001 certified quality management system, and our materials comply with RoHS directives. Our products are trusted by a global clientele across more than 50 countries, including key markets in Europe, North America, the Middle East, and Asia-Pacific.
Full Customization & Engineering Partnership
We go beyond standard offerings to provide complete custom solutions, including special mountings, seals, and gear designs. Our engineering team collaborates closely with you and can work effectively from technical specifications, even when starting from scratch without existing CAD models.



Technical Specifications
Parameter | Specification |
Diameter Range | 50mm – 10,000mm |
Inner Diameter | 50mm – 8,000mm |
Outer Diameter | 80mm – 10,000mm |
Height Range | 20mm – 500mm |
Precision Grades | P0, P6, P5, P4 |
Base Material | 42CrMo, 50Mn alloy steel |
Rolling Elements | GCr15SiMn bearing steel |
Cage Material | Brass, steel, engineering plastic |
Seal Type | Nitrile rubber, fluororubber |
Gear Options | Internal, external, or no gear |
Mounting | Bolt holes per customer drawing |
Lubrication | Grease fittings with sealed channels |
Testing & Certification
Every unit undergoes comprehensive testing before shipment:
· Dimensional verification using coordinate measuring machines
· Vibration testing to ensure smooth rotation
· Load testing to confirm capacity ratings
· Gear tooth profile inspection for proper meshing
Our facility holds ISO 9001 certification, and products comply with DIN and ISO bearing standards. RoHS compliance documentation is available upon request.

Features and Benefits
Multi-Load Capacity: The bearing’s raceway geometry is optimized to support combined axial, radial, and moment loads within a single, compact unit. This simplifies your design by eliminating the need for complex, multi-bearing support structures.
Hardened Raceways: Critical load-bearing surfaces undergo computer-controlled induction hardening, resulting in a deep, uniform hardened layer that provides exceptional wear resistance and dramatically extends service life in demanding applications.
Flexible Gear Integration: Available with integral internal or external spur gears, the design allows for direct connection to your drive motor. This reduces the number of components, saves space, and improves overall transmission efficiency and accuracy.
Effective Sealing System: High-performance lip seals or labyrinth sealing options effectively exclude abrasive particles, moisture, and corrosive agents while retaining lubricant. This is essential for maintaining performance and reducing maintenance in harsh or dirty environments.
Standardized Mounting Interface: Manufactured with precise, standardized bolt hole patterns, our bearings ensure easy installation, reliable alignment, and straightforward replacement in both new and existing equipment.
Applications
Our Slewing Machine components serve critical functions across multiple industries:
· Construction Equipment:Excavators, mobile cranes, concrete pumps, drilling rigs
· Material Handling:Tower cranes, port cranes, stacker reclaimers
· Renewable Energy:Wind turbine yaw and pitch systems
· Heavy Industry:Rotary kilns, blast furnace equipment, metallurgical machinery
· Marine Systems:Ship loaders, offshore platforms, deck cranes
· Medical Devices:CT scanners, radiotherapy equipment requiring precision rotation
· Robotics:Industrial manipulators, automated welding stations
Installation Guide
Pre-Installation:
1. Verify mounting surface flatness meets specification (typically ≤0.1mm per meter)
2. Clean all contact surfaces and remove protective coatings
3. Check bolt hole alignment using templates
Mounting Process:
1. Position the bearing assembly on the mounting surface
2. Apply bolts in a cross-pattern, tightening to 30% of final torque
3. Repeat tightening in increments, reaching 100% torque evenly
4. Verify rotational smoothness before full assembly
Post-Installation:
1. Apply initial lubrication through grease fittings
2. Rotate several full turns to distribute lubricant
3. Check for abnormal resistance or noise




Exhibition
We attend many famous international exhibitions such as Shanghai International Maritime Exhibition,Mining World Russia, bauma China, CTT Russia, etc



Partners
Your trust, we cherish in heart all times and will reciprocate that trust with unwavering quality.

Packaging & shipping
Your goods are unique, and their journey should be flawless. Therefore, we offer professional and customized packaging services. Our experienced team will evaluate your goods' characteristics, transportation route, and environmental requirements to recommend the most secure solution, such as: wooden crate packaging, sturdy frame packaging, or composite reinforced packaging (wooden crate + iron frame).


Maintenance and Care
Lubrication Schedule:
Relubricate every 100-200 operating hours depending on load and environment. Use lithium-based grease with EP additives rated for your temperature range.
Inspection Intervals:
· Monthly: Check for unusual noise or vibration
· Quarterly: Inspect seals for damage or leakage
· Annually: Measure rotational torque and compare to baseline
Storage Guidelines:
If the equipment is to be stored, keep it in a clean, dry place. For long-term storage, apply an anti-corrosion preservative to exposed metal surfaces. Periodically rotate the bearing (at least a quarter turn every 2-3 months) to redistribute the lubricant and prevent false brinelling on the raceways.
Customer Reviews
We are committed to protecting our clients‘ privacy. No specific customer information or project details will be disclosed without prior consent.
The trust our clients place in us is reflected in our high rate of repeat business and our expanding global footprint, which now serves customers in over 50 countries. This growth is built on a foundation of proven product reliability and responsive, professional support.
FAQ
Q: What's the lead time for standard sizes?
A: Standard arrangements ordinarily transport inside 2-3 weeks. Custom determinations require 4-6 weeks depending on complexity.
Q: Can you fabricate to my existing bearing dimensions?
A: Yes. Give your current bearing estimations or a specialized drawing, and we'll cite a congruous replacement.
Q: What exactness review ought to I specify?
A: P0 suits common mechanical utilize. Select P6 or P5 for applications requiring lower runout. P4 is for exactness situating equipment.
Q: Do you give establishment support?
A: We offer specialized discussion and establishment direction. For complex ventures, we can orchestrate on-site assistance.
Q: How do I select between ball and roller types?
A: Ball orientation handle direct loads with higher speed capability. Roller sorts suit heavier loads with lower speed necessities.
Contact Us
Need technical assistance or a custom quote for Slewing Machine? Our engineering team is ready to help you select the right solution for your application. Reach out at mia@hgb-bearing.com for prompt support.
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