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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

131.40.1600 Slewing Bearing manufacturer

Verified 131.40.1600 Slewing Bearing Manufacturer for Heavy Industry

Your project’s structural safety depends on a supplier who owns the forge and the floor. Secure your supply chain with a direct factory partnership that prioritizes metallurgical transparency and engineering precision.

Sourcing critical components like a 131.40.1600 Slewing Bearing manufacturer for 50-150 ton truck cranes often leaves procurement teams caught between high-cost global brands and unverified local traders. The primary challenge lies in verifying the metallurgical integrity and manufacturing precision of a component that must withstand massive tilting moments in the field. At this decision stage, the risk of a "paper factory" without actual heat treatment or gear-cutting capabilities is a liability that can lead to catastrophic structural failure and project delays.

Luoyang Heng Guan Bearing Technology Co.,Ltd addresses these industrial risks by operating as a direct manufacturing partner for the 13 Series 1600mm three-row roller slewing bearing. This heavy-duty rotary support is specifically engineered for applications demanding simultaneous axial, radial, and tilting moment load capacity within a compact footprint. By utilizing three independent raceways—two axial rows and one radial row of cylindrical rollers mounted between precision-machined rings—the design ensures separated load paths that allow each row to handle its designated load direction without compromise. This configuration is the preferred standard for large-scale construction machinery and heavy metallurgical turrets.

Factory-grade transparency is backed by ISO 9001, DIN, ISO, RoHS, and GB certifications, ensuring that every unit meets international benchmarks for port equipment and mining excavators. High-grade alloy steels like 42CrMo are utilized, with raceways induction hardened to a precise 55–62 HRC to maximize wear resistance while maintaining a tough core for shock absorption. This metallurgical robustness is documented through rigorous testing, providing the verifiable strength required for the upper-structure rotation of mid-to-large excavators and specialized industrial positioners.

Compare the technical data sheets and factory certification portfolio to validate the engineering depth behind these heavy-duty rotation solutions. The 131.40.1600 Slewing Bearing offers a high-density load-bearing solution through its precision-engineered triple-row roller arrangement and integrated gear mechanism.

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

Luoyang Heng Guan: A Verified Leader in Heavy-Duty Slewing Solutions

Luoyang Heng Guan Bearing Technology Co.,Ltd is a certified industry 131.40.1600 Slewing Bearing manufacturer specializing in the R&D and manufacturing of high-precision heavy-duty components, particularly the 131.40.1600 three-row roller slewing bearing. With over 20 years of dedicated engineering expertise, our 25,000-square-meter manufacturing facility serves as a primary supply hub for global infrastructure, delivering mission-critical rotation solutions to clients in 50+ countries. We operate with absolute transparency and technical rigor, ensuring every 13 Series bearing we produce meets the stringent requirements of ISO 9001 and GB/T 2300-2011 standards.

Our technical authority is anchored in high-grade 42CrMo metallurgy and precision induction hardening, achieving a raceway surface hardness of 55–62 HRC. This ensures that our 1600mm raceway units—designed for 50-150 ton cranes and mining excavators—manage simultaneous axial, radial, and tilting moment loads without structural compromise. Unlike brokers, we maintain full control over the heat treatment and gear-cutting processes, adhering to DIN and ISO benchmarks for geometric precision. By integrating robust production capacity with strict compliance to RoHS and international safety codes, we provide a verifiable and stable supply chain for large-scale OEMs. Every shipment is accompanied by comprehensive material traceability and inspection reports, reinforcing our commitment to quality and operational safety. We invite you to contact our technical department to review our factory audit reports or discuss specific load-bearing certifications for your next project.

✅ 20+ Years Manufacturing Expertise

✅ ISO 9001 & GB Certified Factory

✅ 42CrMo High-Grade Alloy Steel

✅ Global Export to 50+ Countries

✅ Full Material Traceability Guaranteed

Reliable Manufacturing Excellence for 1600mm Three-Row Roller Slewing Bearings

To buy heavy-duty parts for 150-ton cranes, you need more than just a part number. You also need to make sure that the maker has good metallurgy control and cutting quality. Large pieces of port or mining equipment could fail at the structure level, so you need a partner that can follow strict JB/T 2300-2011 rules. This production framework solves these technical problems by using specialized vertical integration to make sure that every 131.40.1600 Slewing Bearing manufacturer has the stability and load distribution needed for important industrial rotation.

Certified Metallurgical Integrity for Extreme Load Environments
Each 131.40.1600 bearing starts with high-quality 42CrMo alloy steel that has been quenched and tempered several times. The three-row roller raceways are selectively hardened to 55–62 HRC, but they still have a flexible core that can handle shock loads. This controlled heat treatment process makes sure that the 40mm rollers work on surfaces that won't wear down easily. This means that they can handle the huge turning moments that happen when crawler cranes and specialized industrial positioners are used, even during heavy-duty rotation cycles that go on for a long time.
View Material Certifications
Advanced CNC Machining of Three-Row Roller Raceways
Producing a 1600mm diameter bearing with three independent raceways requires sub-micron precision to ensure balanced axial and radial load paths. Utilizing high-capacity vertical CNC lathes and specialized grinding equipment, the intermediate spacer rings and ring races are machined to strict JB/T 2300-2011 tolerances. This geometric accuracy minimizes frictional torque and internal play, facilitating smooth 360-degree rotation for large-scale port equipment, mining excavators, and heavy metallurgical turrets requiring high power density.
Review Machining Tolerances
Rigorous Testing Protocols for Structural Load Verification
Verification of load-bearing capacity is paramount before deployment in high-stakes construction environments. The quality control process includes non-destructive testing, ultrasonic flaw detection, and gear accuracy checks to ISO Grade 8 standards. Final inspection ensures the 13 Series assembly meets the required case depth and hardness profiles, providing a documented trail of reliability for equipment manufacturers operating in demanding sectors where structural stability and failure prevention are the primary technical requirements.
Download Quality Reports

25,000 m² | Integrated Production Facility

20+ Years | Heavy Machinery Experience

100% | Ultrasonic Raceway Flaw Detection

120+ | Heavy-Duty Projects Delivered Annually

The three-row roller configuration provides maximum load density within a compact structural footprint for heavy industry.

FAQs

1. What is your typical lead time and MOQ for a 131.40.1600 Slewing Bearing?

Our standard lead time for a 131.40.1600 Slewing Bearing typically ranges from 45 to 60 days, depending on the current production schedule and material availability. As a dedicated manufacturer, we maintain a flexible Minimum Order Quantity (MOQ) starting at just 1 unit, allowing for prototype testing or specialized replacement needs. The manufacturing process involves precision forging of 42CrMo or 50Mn steel, followed by rigorous heat treatment to meet JB/T 2300-2011 standards. This timeline ensures that each of the three rows of rollers is perfectly aligned within the 1600mm raceway to handle the intense axial and radial loads required by 50-150 ton cranes.
2. Where is your manufacturing facility located, and can you handle large-scale industrial orders?

Our primary manufacturing base is located in China's industrial bearing cluster, covering over 20,000 square meters with an annual production capacity of 5,000 heavy-duty units. We are fully equipped with large-scale CNC vertical lathes and specialized induction hardening machines capable of processing rings up to 4000mm in diameter. Our facility specializes in the 13 Series three-row roller configuration, ensuring high power density for heavy metallurgical turrets and mining excavators. By centralizing our supply chain and production, we offer direct factory pricing and consistent quality control for high-volume contracts. Contact our sales team today to request a comprehensive factory profile and capacity report.
3. How do you guarantee the quality and material integrity of the bearings you manufacture?

We guarantee quality through a multi-stage inspection process and adherence to international standards including ISO 9001, DIN, and GB. Every batch of raw material undergoes spectral analysis to verify the chemical composition of the 42CrMo or 50Mn alloy. Post-production, we perform induction hardening to achieve a raceway surface hardness of 55–62 HRC, while maintaining a tough core of 220–260 HB to withstand shock loads. We provide a full inspection report for every 131.40.1600 Slewing Bearing, which includes ultrasonic flaw detection, magnetic particle testing, and geometric precision verification. This ensures the 40mm rollers operate with minimal friction and maximum load distribution in demanding environments.
4. Can I conduct a third-party factory audit or witness the testing of my order?

Yes, we fully support and welcome third-party factory audits by recognized agencies such as SGS, BV, or TUV to verify our production capabilities and compliance. You may also schedule a live video inspection or visit our facility to witness critical testing phases, such as axial clearance (play) measurements and gear backlash adjustments. We maintain a transparent documentation trail for all certifications, including RoHS and ISO, ensuring your procurement team has full visibility into the manufacturing lifecycle. Providing this level of transparency is how we build long-term partnerships with global OEMs in the construction machinery and port equipment sectors. Please reach out to our coordination team to schedule your audit.
5. What are the key factors to consider when evaluating a 131.40.1600 Slewing Bearing manufacturer for heavy-duty applications?

When evaluating a manufacturer for 1600mm three-row roller bearings, the primary factors are metallurgical expertise, design compliance, and application-specific testing capabilities. A qualified supplier must demonstrate the ability to process high-grade alloy steels and achieve precise case depth in the induction-hardened raceways to prevent premature fatigue. Furthermore, the manufacturer should strictly adhere to JB/T 2300-2011 or equivalent international standards to ensure the bearing can handle simultaneous axial, radial, and tilting moment loads. Verification of past performance in 50-150 ton truck cranes or specialized industrial positioners is essential to ensure the product’s reliability in the field. You can view our full range of technical specifications and application cases in our digital catalog.