single row slewing bearing
China single row slewing bearing manufacturer - High Quality, Factory Price，Offer single row slewing bearing OEM & ODM Service. Trade Assurance. Complete Specifications. Global After Sales.
Our goal is to exceed our customers’ expectation in providing quality bearing products and continue to improve the services we provide on a timely manner.
| Bearings Name | New Model | Old Model: | ID(mm) | OD(mm) | Width(mm) | Cr(kN) | Cor(kN) | Grease Lubrication Speed(r/min) | Oil Lubrication Speed(r/min) | Weight(kg) |
| China Single row ball Slewing bearing, Double row ball Slewing bearing | 014.60.2000 | - | 1825 | 2178 | 144 | - | - | - | - | 1100.000 |
| Truck Crane Single Row 50 Mn Slewing Bearing | 014.40.1000 | - | 878 | 1122 | 100 | - | - | - | - | 270.000 |
single row Slewing Bearings – Compact, Cost-Efficient & High-Performance Rotary Solutions for Light to Medium Duty Applications
When your application demands reliable rotation without the complexity or cost of multi-row designs, the single row slewing bearing stands out as the smart engineering choice. At ZZ Bearing (Shanghai) Co., Ltd., we’ve refined this classic configuration over 25+ years of manufacturing—delivering lightweight, space-saving, and highly versatile slewing rings that power everything from solar trackers to aerial platforms and compact construction machinery.
Engineered for efficiency, built for durability, and priced for value—our single row bearings offer the perfect balance for OEMs seeking performance without over-engineering.
What Is a Single Row Slewing Bearing?
A single row slewing bearing features one circular raceway filled with balls (or rollers in rare variants) to support combined axial, radial, and moment loads through a single rotating interface. While not suited for extreme overturning moments like three-row designs, it excels in applications where:
- Space and weight are constrained
- Loads are moderate and predictable
- Smooth, quiet rotation is required
- Cost efficiency is critical
Its integrated mounting holes, optional gear, and sealing system make it a complete “drop-in” rotary solution—no additional housings or alignment fixtures needed.
Why Our Single Row Slewing Bearings Deliver More Than Expected
✅ Optimized for Real-World Efficiency
- Lightweight Construction: Up to 30% lighter than double-row equivalents—ideal for mobile or elevated equipment.
- Low Starting Torque: Precision-ground raceways and high-quality balls ensure smooth startup, even after long idle periods.
- Integrated Sealing: Standard NBR seals protect against dust, moisture, and light contaminants—extending relubrication intervals.
- Gear Options: External or internal spur gears (module 3–16 mm) with hardened teeth (HRC 58–62) for direct motor integration.
✅ Precision Without Premium Pricing
Available in P0, P6, and P5 precision classes, our single row bearings maintain tight runout tolerances—critical for applications like medical imaging tables or optical tracking systems. For high-end automation, we also offer P4-class versions with custom preload adjustment.
Technical Specifications (Standard Range)
| Parameter | Range |
|---|---|
| Outer Diameter | 200 mm – 2,500 mm |
| Inner Diameter | 150 mm – 2,200 mm |
| Height | 40 mm – 200 mm |
| Ball Diameter | 10 mm – 40 mm |
| Gear Module (if equipped) | 3 – 16 mm |
| Precision Class | P0, P6, P5 (P4 on request) |
| Axial Load Capacity | Up to 450 kN |
| Radial Load Capacity | Up to 280 kN |
| Overturning Moment | Up to 120 kN·m |
| Max Rotation Speed | 3–5 rpm (continuous) |
| Operating Temperature | -30°C to +90°C |
| Certifications | ISO 9001:2015; CCS/ABS available |
Note: Non-geared, internal gear, or external gear configurations all available.
Where Single Row Slewing Bearings Shine: Key Applications
Our customers rely on this design across diverse sectors:
- Solar Tracking Systems: Lightweight and corrosion-resistant for dual-axis trackers
- Aerial Work Platforms (AWPs): Enables smooth turret rotation on boom lifts
- Compact Excavators & Cranes: Ideal for swing mechanisms in space-limited chassis
- Medical Equipment: CT scanners, radiotherapy tables requiring quiet, precise motion
- Industrial Automation: Robotic index tables, welding positioners, and assembly turntables
- Defense & Surveillance: Radar mounts, camera turrets, and antenna bases
Because of its modularity, the single row slewing bearing is often the first choice for prototyping and mid-volume production.
Fully Customizable – Because “Standard” Rarely Fits Perfectly
While we stock common sizes, most of our single row bearings are tailored to customer requirements, including:
- Special bolt hole patterns (metric or imperial)
- Stainless steel components for food-grade or marine use
- Enhanced sealing (FKM for high-temp, triple-lip for dusty environments)
- Integrated encoders or position sensors
- Reduced cross-section for ultra-slim designs
Just send us your drawing or performance specs—we’ll handle the rest, from FEA validation to final testing.
Typical lead time: 3–6 weeks, with expedited options for urgent projects.
Trusted by Global Innovators
Though often hidden inside machinery, our single row slewing bearings are at work worldwide:
- Sany (China) – Used in compact crawler cranes exported to Africa and Southeast Asia
- Bosch Rexroth (Germany) – Integrated into automated guided vehicle (AGV) turntables
- Nextracker (USA) – Corrosion-protected units in solar farms across Texas and Australia
- Mindray (China) – P5-class bearings in high-end diagnostic imaging equipment
(Confidential client projects can be discussed under NDA.)
Why Engineers Choose ZZ Bearing for Single Row Slewing Solutions
- Focused Expertise: We specialize only in slewing bearings—not general bearings—so our knowledge runs deep.
- Cost-to-Performance Ratio: Comparable quality to European brands at significantly lower cost.
- Fast Turnaround: Quotes in 24–48 hours; CAD models delivered within days.
- Quality Assurance: Every bearing tested for torque, backlash, and dimensional accuracy.
- Global Mindset: English-speaking technical team, ISO-certified processes, and export-ready documentation.
Frequently Asked Questions (FAQ)
Q: Can you match a single row bearing from SKF, INA, or Rothe Erde?
A: Yes. Provide the part number, drawing, or key dimensions (OD, ID, height, gear data), and we’ll supply a functionally identical—or improved—alternative.
A: Yes. Provide the part number, drawing, or key dimensions (OD, ID, height, gear data), and we’ll supply a functionally identical—or improved—alternative.
Q: What’s the smallest and largest size you can make?
A: We’ve produced units as small as 100 mm OD for robotics and up to 2,800 mm OD for large turntables. Standard catalog covers 200–2,500 mm.
A: We’ve produced units as small as 100 mm OD for robotics and up to 2,800 mm OD for large turntables. Standard catalog covers 200–2,500 mm.
Q: Do you offer maintenance guidance?
A: Absolutely. We provide recommended grease types (e.g., Shell Gadus S2 V220), relubrication intervals, and torque specs for mounting bolts.
A: Absolutely. We provide recommended grease types (e.g., Shell Gadus S2 V220), relubrication intervals, and torque specs for mounting bolts.
Q: Minimum order quantity?
A: Just 1 piece. We support R&D prototypes, spare parts, and full production runs.
A: Just 1 piece. We support R&D prototypes, spare parts, and full production runs.
Ready to Simplify Your Rotary Design?
Don’t over-specify. If your application doesn’t need the heft of a three-row system, our single row slewing bearing could be the smarter, lighter, and more economical solution.
📧 Contact ZZ Bearing today with your requirements. Let’s build a rotary component that fits your design—and your budget—perfectly.
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