No Gear Slewing Bearing
2. Product Structures: Available in single-row four-point contact ball, double-row different-diameter ball, three-row roller, and cross-roller configurations. Customization options are available, including special mounting holes and seals.
3. Size Range: Inner Diameter: 50mm-8000mm, Outer Diameter: 200mm-10000mm, Height: 80mm-400mm. Custom sizes are available, with an outer diameter of up to 10 meters.
4. Materials: Base material: 42CrMo, 50Mn special alloy steel
Rolling elements: GCr15SiMn high-purity bearing steel
Seal material: Imported nitrile rubber or fluororubber
5. Applications:
Small excavators, aerial work platforms, CT scanners, X-ray machine rotation mechanisms, radar bases, observation equipment, welding positioners, rotary tables, exhibition and display equipment, stage machinery, and solar tracking systems
No Gear Slewing Bearing - Precision Engineering for Heavy-Duty Applications
When you need reliable rotation solutions for heavy machinery and precision equipment, No Gear Slewing Bearing technology delivers exceptional performance. These specialized bearings consist of two concentric rings without integrated gearing, providing smooth rotational movement while supporting substantial loads in all directions. At Luoyang Heng Guan Bearing Technology Co., Ltd., we engineer these advanced bearing systems to meet your most demanding industrial applications with unmatched reliability and precision.
What Makes Our Gearless Slewing Bearings Special?
Our gearless slewing ring bearings offer unique advantages for your equipment. You get simplified design architecture that reduces maintenance requirements while maximizing operational efficiency. The absence of integrated gears means fewer wear points and extended service life for your machinery.
These bearings excel in applications requiring precise positioning and smooth rotation. You'll find them ideal for equipment where external drive systems provide the rotational force, giving you greater flexibility in your mechanical designs.
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Technical Specifications and Configurations
We manufacture bearings in four distinct structural configurations to match your specific needs:
Single-Row Four-Point Contact Ball Bearings: Perfect for applications requiring high axial and radial load capacity with moderate tilting moments.
Double-Row Different-Diameter Ball Bearings: Designed for enhanced load distribution and improved rotational stability.
Three-Row Roller Bearings: Ideal for extremely heavy-load applications requiring maximum load capacity.
Cross-Roller Configurations: Excellent for applications demanding high rigidity and precision positioning.
Size Range and Customization
- Inner Diameter: 50mm to 8,000mm
- Outer Diameter: 200mm to 10,000mm
- Height: 80mm to 400mm
- Custom sizes available up to 10 meters outer diameter
Premium Materials for Long-Lasting Performance
Your bearing's reliability starts with superior materials. We use 42CrMo and 50Mn special alloy steel for base construction, ensuring excellent strength and durability. Rolling elements feature GCr15SiMn high-purity bearing steel for optimal wear resistance.
Our imported nitrile rubber and fluororubber sealing materials protect against contamination while maintaining smooth operation across temperature extremes.
Diverse Industrial Applications
No Gear Slewing Bearing solutions serve numerous industries where precision and reliability matter most. You'll find our bearings in small excavators providing smooth boom rotation, aerial work platforms ensuring safe positioning, and medical equipment like CT scanners requiring precise movement.
Industrial applications include welding positioners, rotary tables, and exhibition equipment. Solar tracking systems also benefit from our gearless designs, delivering consistent performance in outdoor environments.

Why Choose Heng Guan Bearing?
With over 30 a long time of industry mastery, our group of 50+ engineers specializes in exactness bearing fabricating. We keep up ISO9001 certification and RoHS compliance, guaranteeing your orientation meet worldwide quality standards.
Our advanced CNC equipment and rigorous testing procedures guarantee consistent quality. From coordinate measuring machines to vibration testing, every bearing undergoes comprehensive quality verification before shipping.
We support precision grades P0, P6, P5, and P4 to match your exact requirements. Custom non-standard machining services complement our bearing offerings, providing complete rotation solutions.

Quality Assurance and Global Reach
Our items serve clients in over 50 nations, counting the Joined together States, Germany, and Australia. This worldwide nearness illustrates the unwavering quality and execution of our items over differing applications and working conditions.
Professional specialized back goes with each buy. Our engineers give determination direction, establishment help, and progressing specialized meeting to guarantee ideal execution.
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FAQ
Q: What's the difference between geared and product options?
A: Gearless versions provide design flexibility by allowing external drive systems. They offer simplified maintenance, reduced wear points, and often better precision for specialized applications.
Q: How do I determine the right bearing size for my application?
A: Consider your load requirements, rotational speed, mounting space, and environmental conditions. Our engineers can help you select the optimal configuration based on your specific needs.
Q: What maintenance is required for these bearings?
A: Regular lubrication and seal inspection ensure long service life. We provide detailed maintenance guidelines with each bearing to maximize performance and longevity.
Q: Can you customize bearings for unique applications?
A: Yes, we specialize in custom solutions including special mounting holes, unique sealing arrangements, and non-standard dimensions up to 10 meters diameter.
Q: What quality certifications do your bearings carry?
A: All bearings are ISO9001 certified and RoHS compliant, meeting international quality and environmental standards.
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Contact Us
Ready to explore how our precision-engineered No Gear Slewing Bearing can enhance your equipment performance? Contact our technical team at mia@hgb-bearing.com for personalized consultation and quotation.
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