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Trusted Manufacturer of Slewing Bearings & Large Machined Components

Company Telephone: +86 158 3855 3230

E-mail Address: mia@hgb-bearing.com

WhatsApp: 8615838553230

Company Location：NO9, Sanxi Road, Ximagou Industry Park, Jianxi district, Luoyang, Henan, China

Case Excavator slewing bearing manufacturer

Certified Direct Manufacturing for Every Case Excavator Slewing Bearing

Your project timeline and equipment safety depend on sourcing from a factory that understands the engineering rigors of heavy machinery rather than a trading middleman. You need a partner capable of validating material integrity and production capacity before you commit to a long-term supply chain.

Finding a Case Excavator slewing bearing manufacturer is more complicated than just matching a part number. It's a very important purchase decision where the cost of downtime is greater than the benefit of saving money. The hardest thing for procurement managers and fleet engineers is telling the difference between real makers and secondary wholesalers who don't have control over the quality of the metal or the limits for cutting. Without direct factory openness and audit-ready paperwork, you risk finding secret flaws like raceway pitting or premature gear failure, which can put an 80-ton digger out of commission and put job site safety at risk.

Luoyang Heng Guan Bearing Technology Co.,Ltd addresses these uncertainties by specializing in a complete range of swing circles for Case machinery, spanning from the compact CX55 to the heavy-duty CX800 series. By focusing on a "plug-and-play" design philosophy, each Case Excavator slewing bearing is engineered with structural dimensions and mounting interfaces that strictly adhere to industry-standard specifications. Whether a fleet operates legacy WX series models or the latest CX series—including the CX210, CX350, and CX700—the integration is seamless, effectively eliminating the need for costly field modifications or custom adapters.

As a dedicated manufacturing facility, the factory provides full traceability through ISO 9001, DIN, and RoHS certifications, ensuring every Case Excavator slewing bearing meets global GB standards. The production workflow includes rigorous Ultrasonic Testing (UT) for raw forgings, Magnetic Particle Inspection (MPI) to identify surface micro-cracks, and CMM gear accuracy inspections to prevent "broken teeth" issues in high-torque environments. The raceways are induction-hardened to HRC 55-62, and the facility produces robust turntable bearings using high-grade alloy steels like 50Mn and 42CrMo for models such as the CX240, CX300, and CX490. A vast inventory of standard models and the technical expertise to perform reverse engineering for custom replacements minimize lead times while maintaining structural integrity.

To ensure a supply chain meets these high-performance benchmarks, compare these technical specifications and factory inspection reports against existing procurement requirements. Optimized gear modules and specialized multi-lip sealing systems maintain machine uptime in the most demanding demolition and forestry applications.

Related Products

Port Crane Slewing Bearing

1. Product Description: Port crane slewing bearing. This extra-large slewing bearing is designed specifically to meet the demanding load requirements under extreme operating conditions. Its core features include exceptional size, ultra-high strength, and excellent stability, making it an ideal foundational component for key equipment such as heavy-duty port machinery.
2. Product Structure: Three-row roller slewing bearing
3. Size Range: Product dimensions range from 4238mm x 270mm. Special sizes are available for custom design.
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:
Mainly used in various heavy-duty port machinery, such as port cranes, stackers and reclaimers, and container gantry cranes.

View Details

CT Machine Slewing Ring

Large Diameter Crane Slewing Bearing

CT Bearings

Internal Gear Rotary Slewing Bearing

A Certified Case Excavator Slewing Bearing Manufacturer with Proven Engineering Strength

Luoyang Heng Guan Bearing Technology Co.,Ltd stands as a Tier-1 manufacturing authority in the specialized production of Case Excavator slewing bearing manufacturer, serving as a reliable backbone for global heavy-machinery supply chains. Located in Luoyang, the heart of China’s bearing industry, we operate a high-capacity facility dedicated to the precision engineering of swing circles that meet or exceed OEM specifications for the entire Case CX and WX series.

Our manufacturing skills are shown by the fact that we make a wide range of models, from the small 5-ton CX55 to the heavy-duty 80-ton CX800. We use high-grade 42CrMo alloy steel and improved induction hardening to get a raceway hardness of HRC 55–62. This makes sure that the structure stays strong even after a lot of work. Our strict quality control process requires that every bearing go through 100% Ultrasonic Testing (UT) to check the cleanliness of the casting and Magnetic Particle Inspection (MPI) to look for surface micro-cracks after it has been hardened. Our ISO 9001, DIN, and GB certifications show that we are dedicated to quality. They make sure that every unit we give is "plug-and-play" ready and can withstand high-torque twisting moments in forestry, mining, and removal.

With a massive inventory of ready-to-ship models and professional reverse-engineering capabilities, we provide the verified reliability that fleet managers and distributors demand. We invite you to validate our production capacity and technical precision; contact our Luoyang factory today to request a comprehensive technical assessment or a formal quotation for your Case excavator fleet.

✅ 5-80 Ton Full Model Coverage

✅ ISO 9001 & DIN Standards

✅ 100% UT & MPI Inspection

✅ High-Grade 42CrMo Alloy Steel

✅ Professional Factory Audits Welcome

Factory-Direct Manufacturing for High-Precision Case Excavator Swing Circles

Identifying a qualified Case Excavator slewing bearing manufacturer involves more than comparing specifications; it requires verifying production scale and technical consistency to prevent catastrophic equipment failure. Many procurement teams struggle with aftermarket parts that suffer from gear misalignment or insufficient hardening depth. Integrating comprehensive 5-to-80-ton model coverage with factory-direct quality control ensures that every replacement bearing delivers the plug-and-play reliability necessary for intense digging environments.

Full-Scale Manufacturing for Entire Excavator Series Range
Spanning the complete CX series from the CX55 to the heavy-duty CX800, production capabilities match the diverse structural requirements of a global fleet. Every bearing is forged from high-grade 50Mn or 42CrMo steel, ensuring that structural dimensions and mounting interfaces align perfectly with industry-standard specifications. This comprehensive coverage eliminates sourcing delays by providing a single manufacturing point for both modern CX and legacy WX series machines.
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Rigorous Quality Protocols for Guaranteed Field Performance
Authenticating manufacturer strength requires evidence of stringent inspection, including Ultrasonic Testing for internal forging integrity and CMM Gear Accuracy Inspection to ensure perfect pinion engagement. Raceways are induction-hardened to HRC 55-62, providing a wear-resistant layer capable of withstanding continuous high-torque rotation. These systematic verification steps prevent the common issues of gear tooth breakage and bearing seizure found in lower-tier alternatives.
Review Testing Standards
Technical Engineering Support for Custom Replacement Solutions
When standard components are unavailable or machines require modification, technical expertise in reverse engineering becomes a critical asset for fleet uptime. Engineering teams specialize in measuring and redesigning existing bearings to produce high-precision custom replacements that meet or exceed original performance parameters. This service integrates specialized multi-lip sealing systems to protect internal components from moisture and debris in harsh forestry or mining applications.
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20,000㎡ | Integrated Bearing Production Facility

100% | Ultrasonic and Gear Accuracy Testing

20+ Years | Specialization in Excavator Swing Components

5-80 Tons | Comprehensive Machine Tonnage Coverage

Optimized induction-hardened raceways significantly extend the operational lifespan of heavy-duty rotational components.

FAQs

1. Where is your manufacturing facility located and what is the typical lead time for an order?

Luoyang Hengguan is headquartered in Luoyang, China, the global hub for bearing production, with a typical production lead time of 30 to 45 days for custom orders and 3-5 days for in-stock items. We manage the entire production process in-house, specializing in components for equipment ranging from 5 to 80 tons. Our facility adheres to ISO 9001, DIN, and RoHS standards to ensure every Case Excavator slewing bearing meets rigorous international quality benchmarks. By shipping directly from our factory, we provide B2B clients with transparent timelines and significant cost savings compared to regional distributors.
2. What is your Minimum Order Quantity (MOQ) and can you produce bearings for legacy Case models?

Our Minimum Order Quantity (MOQ) is just 1 unit for all models, including the widely used CX210, CX360, and legacy WX series. We maintain a large inventory of standard specifications but also offer specialized technical support for reverse-engineering older or obsolete bearings. If you provide specific measurements or a sample, our engineering team can create a precise 3D model to manufacture a replacement that matches the original mechanical properties. Please contact our sales department to verify stock availability for your specific Case model or to request a custom manufacturing consultation.
3. How can I verify the quality and material integrity of your bearings before shipment?

We provide a comprehensive Quality Assurance (QA) package with every shipment, including Material Test Reports (MTR) and certificates for Ultrasonic Testing (UT) conducted on the raw forgings. To ensure long-term durability, we verify that raceway hardness reaches HRC 55-62 through induction hardening and perform Magnetic Particle Inspection (MPI) to detect surface micro-cracks. These processes ensure our products meet GB and ISO 9001 standards for high-load applications. We encourage new customers to request a live video inspection of their specific order during the final testing phase to confirm authenticity and technical compliance.
4. Can you guarantee that your products are a direct "plug-and-play" fit for my Case equipment?

Yes, we guarantee 100% dimensional compatibility, ensuring each Case Excavator slewing bearing features mounting interfaces and gear modules (typically M8 to M14) that align perfectly with industry-standard specifications. Our product range comprehensively covers the CX series, including the CX55 through the CX800, providing a seamless installation experience without the need for chassis modifications. By using high-grade 42CrMo alloy steel and multi-lip sealing systems, our bearings are engineered to withstand the extreme tilting moments and shock loads encountered in mining and heavy demolition environments.
5. What are the key factors to consider when evaluating the technical strength of a B2B slewing bearing manufacturer?

Evaluating a manufacturer requires looking beyond price to focus on raw material grades, hardening depth, and gear precision metrics. A high-quality supplier should use 50Mn or 42CrMo alloy steel and utilize Coordinate Measuring Machines (CMM) to ensure gear backlash settings are precise enough to prevent premature wear on the swing motor pinion. Furthermore, the ability to provide documented proof of ISO, DIN, or RoHS compliance is essential for verifying factory legitimacy. Assessing these technical capabilities ensures the supplier can deliver a product that maintains structural integrity under the continuous, asymmetrical loading typical of heavy-duty excavator operations.