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Home > Industrial Equipment & Components > Bearing > Slewing Bearing > Four-Point Contact Ball Slewing Ring Bearing for Low Torque Rotation

Four-Point Contact Ball Slewing Ring Bearing for Low Torque Rotation

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Product Spotlights

Engineered for ultra-smooth operation, this Four-Point Contact Ball Slewing Ring Bearing delivers exceptionally low starting and running torque, reducing energy consumption and enabling precise, effortless rotation. Its robust design handles combined loads efficiently in a compact form factor, while effective sealing ensures durability in diverse environments. Ideal for applications demanding high precision and low operational resistance.

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, High-Carbon Chromium Steel

Bearing Type:

Four-Point Contact Ball Slewing Ring

Primary Application:

Low Torque Rotation Applications

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Henan San Kuang Machinery Technology Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Material Other, High-Carbon Chromium Steel

Bearing Type Four-Point Contact Ball Slewing Ring

Primary Application Low Torque Rotation Applications

Mounting Type Bolt Hole Mounting

Gear Type Internal or External Gear (Optional)

Sealing Type Rubber Seal or Labyrinth Seal

Lubrication Grease Lubricated

Customization Available upon request

As a leading manufacturer with over a decade of expertise, Henan San Kuang Machinery Technology Co., Ltd. specializes in delivering high-performance slewing solutions. Our Four-Point Contact Ball Slewing Ring Bearing is engineered specifically for applications demanding exceptionally smooth and low-torque rotation. Manufactured in our expansive 10,000-30,000 sqm facility, this bearing represents our commitment to precision engineering and operational efficiency, helping your machinery achieve superior performance with minimal energy input.

This advanced slewing ring is the cornerstone for systems where precise, low-friction movement is critical. Its design ensures reliable support for combined loads—axial, radial, and moment loads—while maintaining remarkably low rotational resistance. This translates directly into reduced power consumption, lower operational costs, and extended service life for your equipment.

Core Features & Technical Advantages:

Optimized Four-Point Contact Design: The unique raceway geometry allows the bearing to simultaneously handle complex load combinations from multiple directions, providing exceptional stability and load capacity in a compact envelope.
Superior Low-Torque Performance: Precision-ground raceways and high-grade balls ensure smooth rolling contact, significantly reducing starting and running torque. This is ideal for manual, motor-driven, or hydraulically actuated systems where ease of movement is paramount.
Robust Construction: Fabricated from high-carbon chromium steel (GCr15/52100 equivalent), the bearing components undergo rigorous heat treatment to achieve optimal hardness and core toughness, ensuring high resistance to wear and deformation under load.
Enhanced Sealing Solutions: Equipped with multi-lip rubber seals or optional labyrinth seals, the bearing is effectively protected from contaminants like dust, moisture, and debris, maintaining internal lubrication and performance in harsh environments.
Flexible Configuration: Available with or without gearing (internal or external). Bolt holes are precision-machined for secure and straightforward mounting, simplifying integration into your assembly.
Pre-Lubricated & Maintenance-Friendly: Filled with high-performance grease during assembly, the bearing is ready for immediate use. Re-lubrication ports are standard, allowing for easy maintenance to prolong service intervals.

Technical Specifications Overview:

Parameter	Details
Load Capacity	Designed for combined axial, radial, and moment loads. Specific values depend on model size and can be provided upon request.
Gear Option	Optional internal or external spur gear. Module and number of teeth are customizable.
Seal Type	Standard synthetic rubber seals (RS type). Labyrinth seals available for extreme conditions.
Lubrication	Pre-filled with lithium-based grease. Fitted with grease nipples for re-lubrication.
Mounting	Through-bolt holes on both inner and outer rings. Hole patterns and sizes are customizable.
Standard Material	Ring Material: 50Mn or 42CrMo; Rolling Elements: GCr15 bearing steel.

Benefits for Your Application:

Energy Efficiency: Low rotational torque reduces the required drive power, leading to significant energy savings and allowing for the use of smaller, more cost-effective motors or actuators.
High Precision & Smooth Operation: Enables precise positioning and smooth, chatter-free rotation, which is crucial for applications like robotic arms, indexing tables, camera platforms, and medical equipment.
Space and Weight Savings: The four-point contact design achieves high load capacity in a relatively thin cross-section, contributing to more compact and lightweight machine designs.
Durability and Reliability: The robust construction and effective sealing ensure long-term, maintenance-free operation even in demanding industrial settings, reducing total cost of ownership.

Backed by Henan San Kuang's robust manufacturing capabilities and a comprehensive quality management system (including ISO 9001, ISO 14000, and OHSAS 18001 certifications), every slewing ring bearing is produced under strict quality control. With an annual export value reaching up to US$5 million and a strong presence across global markets from North America and Europe to Southeast Asia and Africa, we have proven our ability to meet diverse international standards and client requirements. Our strategic location near major ports like Shanghai, Qingdao, and Tianjin ensures efficient and reliable logistics. Choose our Four-Point Contact Ball Slewing Ring Bearing for a solution that combines engineering excellence, operational economy, and dependable performance. Contact us today for a quotation or to discuss your specific application needs.

Frequently Asked Questions (FAQ)

What is the main advantage of a four-point contact design over other slewing bearings?
The four-point contact design allows a single bearing to support combined loads (axial, radial, and tilting moments) efficiently. This often eliminates the need for multiple bearings, simplifying design, saving space, and reducing assembly complexity while providing excellent stiffness.
How low is the "low torque" for this bearing?
The starting and running torque values are significantly lower than standard ball slewing rings due to precision machining and optimized contact angles. Exact torque figures depend on bearing size, preload, and lubrication. Specific data sheets with torque curves are available upon request.
Can this bearing be used in outdoor or corrosive environments?
Yes. The standard model features effective seals against contaminants. For highly corrosive environments, optional surface treatments like zinc plating or special coatings can be applied to the rings upon request.
Is custom sizing available for this slewing ring bearing?
Absolutely. As a manufacturer, we specialize in customization. We can produce bearings with non-standard diameters, bolt hole patterns, gear specifications (module, teeth count), and special sealing arrangements to fit your exact design.
What is the typical lead time for standard and custom orders?
Lead times vary based on order complexity and quantity. Standard sized bearings may have shorter lead times. For custom-engineered solutions, our engineering team will provide a detailed timeline after reviewing your specifications.
Do you provide installation guidance or technical support?
Yes. We supply detailed installation manuals with each shipment. Our technical team is also available to provide support regarding mounting procedures, lubrication schedules, and load calculations to ensure optimal performance.
What lubrication is required, and what are the maintenance intervals?
The bearing is pre-lubricated with high-quality lithium grease. Maintenance intervals depend on operational speed, load, and environment. General guidelines are provided, but we recommend establishing a lubrication schedule based on your specific operating conditions.
How does the gear option integrate with a drive system?
The integrated gear (internal or external) meshes directly with a pinion gear from your drive motor or hand crank. This provides a compact and efficient rotational drive mechanism. The gear is machined to precise tolerances for smooth engagement and low backlash.