Rotary Table Bearing
2. Product Structure: Precision gear system: Utilizing a ground gear process, the gears achieve Class 6 precision, ensuring smooth transmission.
3. Dimension Range: Product dimensions: 540 mm x 360 mm x 60 mm
Machinable range: 50 mm - 10,000 mm
Custom sizes are available to meet specific dimensional requirements.
4. Materials: Ring material: High-strength alloy steels such as 50Mn and 42CrMo
Rolling elements: Balls or rollers made of GCr15SiMn bearing steel
Seal material: Oil-resistant and wear-resistant nitrile rubber
5. Applications:
Construction machinery: CNC machine tools, precision machine tools, specialized equipment, and automation equipment
Rotary +B2:B84 Rotary Table Bearing - Precision Solutions for Industrial Excellence
When your machinery demands exceptional rotational accuracy and reliability, our Rotary Table Bearing delivers the performance you need. Engineered specifically for CNC machine tools, precision equipment, and heavy-duty industrial applications, this bearing combines advanced technology with proven durability. Our team at Luoyang Heng Guan Bearing Technology brings over 30 years of expertise to every bearing we manufacture, ensuring you receive a product that exceeds your expectations.
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Superior Engineering for Demanding Applications
Our precision-engineered bearings feature a compact 540 x 360 x 60 mm design that maximizes performance while minimizing space requirements. The ground gear process achieves Class 6 precision, delivering smooth transmission that your operations depend on.
Key Technical Specifications
Dimensions & Customization
- Standard size: 540mm x 360mm x 60mm
- Available range: 50mm to 10,000mm diameter
- Custom dimensions available for specific requirements
- Precision grades: P0, P6, P5, and P4
Premium Materials
- Ring construction: High-strength 50Mn and 42CrMo alloy steels
- Rolling elements: GCr15SiMn bearing steel balls and rollers
- Sealing system: Oil-resistant nitrile rubber for extended life
Versatile Applications Across Industries
Your Rotary Table Bearing performs exceptionally in various demanding environments:
Construction & Heavy Machinery
- Excavators and cranes requiring reliable rotation
- Construction equipment operating in harsh conditions
Manufacturing Equipment
- CNC machine tools demanding precise positioning
- Injection molding machines with continuous operation
- Extruders requiring consistent rotational movement
Specialized Industrial Applications
- Air preheaters in power generation facilities
- Automation equipment with precision requirements
- Powdering machine rotary tables

Why Choose Our Bearing Solutions?
Proven Quality Standards
Our ISO9001 certification and RoHS compliance ensure you receive products meeting international standards. Every bearing undergoes rigorous testing using coordinate measuring machines and vibration testers.

Global Manufacturing Excellence
Located in Luoyang, China's bearing industry hub, we leverage advanced CNC vertical lathes, machining centers, and specialized gear hobbing equipment. Our products serve customers across 50+ countries, including Germany, the United States, and Australia.
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Comprehensive Service Support
- Technical consultation and product design assistance
- Installation guidance and personalized customization
- Old product mapping services for replacement needs
- Fast delivery with ample standard product inventory
Technical Advantages That Matter
Enhanced Performance Features
- Exceptional dimensional stability under varying loads
- Low noise operation for precision environments
- Extended service life through advanced heat treatment
- Wear resistance for continuous operation cycles
Quality Assurance Process
Every product undergoes comprehensive testing throughout manufacturing. Our full traceability system tracks each component from raw materials to finished product, ensuring consistent quality you can trust.
Frequently Asked Questions
Q: What precision grades are available for the products?
A: We offer four precision grades: P0, P6, P5, and P4, allowing you to select the optimal level for your specific application requirements.
Q: Can you provide custom dimensions for specialized applications?
A: Yes, we manufacture custom bearings from 50mm to 10,000mm diameter. Our engineering team can work with your specifications or provide mapping services for existing products.
Q: What industries commonly use these bearings?
A: Our bearings serve construction machinery, CNC machine tools, injection molding equipment, extruders, excavators, cranes, and various automation systems.
Q: How do you ensure product quality and reliability?
A: We maintain ISO9001 certification, utilize advanced testing equipment including coordinate measuring machines, and implement full traceability throughout our manufacturing process.
Q: What support do you provide for installation and technical questions?
A: Our engineering team offers comprehensive technical consultation, installation guidance, and ongoing support. Contact us for personalized assistance.
Q: What materials are used in your bearing construction?
A: We use high-strength alloy steels (50Mn and 42CrMo) for rings, GCr15SiMn bearing steel for rolling elements, and oil-resistant nitrile rubber for sealing systems.
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Contact Us
Ready to enhance your equipment's performance? Contact our experts at mia@hgb-bearing.com for technical consultation and customized Rotary Table Bearing solutions tailored to your specific needs.
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