Contact Platform Support
Help CenterSlewing Ring Bearing for Mobile Crane and Excavator Slewing Gearbox
Product Spotlights
Related Products
-
Precision Slewing Ring Bearings: The Core of Rotating Heavy MachineryNegotiableMOQ: 1 Unit -
High Precision Mill Girth Gear, Girth Gear & Split Girth Gear ManufacturerNegotiableMOQ: 1 Combo
-
Turntable Bearing for Solar Tracker Systems With Corrosion Resistance CoatingNegotiableMOQ: 1 Piece
-
Swing Bearing With Sealed Raceway for Harsh Environment OperationNegotiableMOQ: 1 Piece
-
Turntable Bearing With 4-Point Contact Design for High Load CapacityNegotiableMOQ: 1 Piece
As a specialized manufacturer with a decade of experience, Henan San Kuang Machinery Technology Co., Ltd. is proud to present our high-performance Slewing Ring Bearing for Mobile Crane and Excavator Slewing Gearbox. Engineered in our expansive 10,000-30,000 square meter facility in Luoyang, the bearing capital of China, this component is the cornerstone of reliable rotation in heavy machinery. We understand that downtime is costly; our slewing rings are built to deliver exceptional load capacity, smooth 360-degree rotation, and extended service life under the most demanding conditions, directly contributing to your equipment's uptime and operational efficiency.
Our slewing ring bearings are meticulously designed to meet the rigorous demands of mobile cranes and excavators. The core value lies in their ability to handle combined loads—axial, radial, and moment loads—simultaneously, which is critical for stable lifting and digging operations. Manufactured under a stringent ISO 9001 quality management system, each bearing undergoes rigorous testing to ensure precision, durability, and seamless integration into your slewing gearbox assembly.
Key Product Features & Technical Advantages:
Robust Construction: Fabricated from high-carbon chromium bearing steel, heat-treated for superior hardness and core toughness to resist deformation and fatigue.
Optimized Rolling Element Design: Utilizes single-row ball or cross-roller configurations. Cross-roller designs offer higher moment load capacity in a compact footprint, ideal for space-constrained applications.
Advanced Sealing System: Multi-lip rubber seals or labyrinth seals effectively exclude contaminants like dust, mud, and moisture, protecting the raceway and extending bearing life.
Integrated Lubrication: Features pre-drilled lubrication holes compatible with centralized automatic grease systems, enabling easy maintenance and consistent lubrication without disassembly.
Precision Machining: Gear teeth (internal or external) are hobbled or ground with high accuracy to ensure smooth meshing with the drive pinion, minimizing vibration and noise.
Customization Ready: We offer tailored solutions for dimensions, bolt hole patterns, gear specifications, and sealing types to match your specific OEM or replacement requirements.
Technical Specifications Overview:
| Parameter | Specification Range |
| Inner Diameter (ID) | 500 mm to 3000 mm (Custom sizes available) |
| Outer Diameter (OD) | 600 mm to 3200 mm |
| Material Grade | GCr15SiMn, 42CrMo, or equivalent |
| Gear Module | 8 to 20 (Standard), others customizable |
| Static Load Rating | Up to 10,000 kN or higher |
| Accuracy Class | P5 (Higher precision optional) |
Benefits for Your Business:
Enhanced Equipment Reliability: Reduces unplanned stoppages by providing a durable and precise rotation point for the superstructure.
Lower Total Cost of Ownership: The long service life and effective sealing minimize maintenance frequency and costs associated with bearing failure.
Improved Operational Safety: High load capacity and stable performance contribute to safer lifting and excavation operations.
Global Compatibility: Designed to fit a wide range of international crane and excavator models, serving as a reliable OEM or aftermarket part.
Trust is earned through performance and proven track records. Henan San Kuang Machinery supports its products with a robust ISO 9001 certified manufacturing process and an annual export value ranging between US$2.5 Million to US$5 Million, demonstrating our significant global reach and customer confidence. Our bearings are shipped worldwide from major ports like Shanghai, Qingdao, and Tianjin, ensuring timely delivery to key markets across North America, Europe, Southeast Asia, and beyond. With a dedicated team of 51-100 professionals, we are committed to providing not just a component, but a partnership focused on your machinery's productivity. Choose our slewing ring bearing to secure the pivotal motion in your equipment—contact us today for a detailed quotation or technical consultation to find the perfect bearing solution for your application.
Frequently Asked Questions (FAQ)
What is the main difference between a slewing ring bearing and a standard bearing?
A slewing ring bearing is a large-diameter, thin-section bearing designed to handle combined loads (axial, radial, and moment) simultaneously, enabling 360-degree rotation of a structure. Standard bearings typically handle only radial or axial loads individually and are not designed for such large-scale rotational support.Can you provide bearings that match my existing equipment's bolt hole pattern?
Yes, customization is a core service. We can manufacture slewing rings to your exact specifications, including bolt circle diameter, number of holes, hole size, and gear tooth profile, ensuring a direct replacement without modification.How do I determine the correct load rating needed for my crane or excavator?
The required load rating depends on your equipment's maximum load moment, weight of the superstructure, and dynamic factors. Our technical team can assist you in calculating these parameters based on your machine model and operational data to recommend a suitable bearing.What is the typical lead time for a custom-sized slewing ring bearing?
Lead times vary based on size, complexity, and order quantity. For standard sizes, it can be 4-6 weeks. For fully custom designs, please contact us with your specifications for an accurate timeline.What maintenance does this slewing ring bearing require?
Primary maintenance involves regular re-lubrication through the provided grease fittings. The effective sealing system reduces the frequency. We recommend following the lubrication schedule in your equipment's manual and visually inspecting seals periodically.Are your bearings suitable for both new OEM equipment and aftermarket replacement?
Absolutely. We supply bearings for original equipment manufacturers building new cranes/excavators and provide high-quality replacement parts for the aftermarket, often offering improved designs or materials over original specifications.Do you offer any warranty or support with your products?
All our bearings are backed by a comprehensive warranty against manufacturing defects. Furthermore, we provide detailed installation guides and technical support to ensure proper fitting and operation.What packaging is used for shipment to prevent damage?
Each bearing is carefully packaged based on its size and weight. Standard practice includes rust-preventive coating, wrapping in waterproof material, wooden crate or steel frame support for large diameters, and secure strapping to handle logistics safely.
Send Inquiry to This Supplier
You May Also Like
-
Slewing Ring for Wind Turbine Nacelles With Integrated Gear TeethNegotiableMOQ: 1 Piece
-
Forged Steel Slewing Ring Bearing With 10-Year Fatigue Life for Industrial UseNegotiableMOQ: 1 Piece
-
Large Diameter Slewing Ring Bearing up to 5000mm for Crane ApplicationsNegotiableMOQ: 1 Piece
-
Precision Hardened Steel Slewing Bearing With 360° Rotation for Heavy MachineryNegotiableMOQ: 1 Piece
-
Customizable Slewing Bearing With 0.01mm Runout Tolerance for Precision EquipmentNegotiableMOQ: 1 Piece
-
OEM Slewing Bearing Solutions With Technical Support and Lifetime LubricationNegotiableMOQ: 1 Piece
-
Swing Bearing With 3-Year Warranty and Mill Test Report ProvidedNegotiableMOQ: 1 Piece
-
Mill Test Certified Ring Gear With Custom Tooth Profile OptionsNegotiableMOQ: 1 Combo
-
Large Diameter Ring Gear With Hardened Teeth for Mining EquipmentNegotiableMOQ: 1 Combo
-
Ring Gear for Construction Machinery Final Drive AssembliesNegotiableMOQ: 1 Combo
