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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

133.40.1600 slewing bearing manufacturer

Certified Manufacturing Excellence for 133.40.1600 Slewing Bearing Procurement

Your heavy-duty crane projects demand more than just a generic component; they require a verified 133.40.1600 slewing bearing manufacturer capable of meeting stringent technical tolerances and material integrity. Ensuring your supply chain is anchored by a direct producer eliminates risks associated with quality inconsistency and hidden markups often found in the secondary market.

When sourcing critical components like the 133.40.1600 slewing bearing, procurement teams often struggle to distinguish between genuine factories and trading entities. In the heavy machinery industry, a mismatch between technical specifications and actual performance can lead to catastrophic structural failure or costly downtime. You need absolute assurance that the internal gear parameters and metallurgical properties meet the rigorous safety standards required for tower cranes and marine equipment.

Luoyang Heng Guan Bearing Technology Co., Ltd addresses these concerns by providing full transparency into the fabrication of the Model No.: 133.40.1600. As a specialized manufacturer, we utilize 42CrMo forged rings and GCr15SiMn rollers to construct this three-row cylindrical roller slewing bearing. With an internal gear pitch diameter of 1330mm and an impressive net weight of approximately 1520kg, this unit is engineered for extreme load-bearing capacity. The internal gear, featuring a module of 14 and 96 teeth, is machined to P0, P5, or P4 precision grades, ensuring the gear accuracy required for smooth rotation in high-torque environments like ladle turrets and stacker-reclaimers.

Verification of manufacturing strength is backed by strict adherence to international benchmarks, including ISO 9001, DIN, and RoHS standards. The facility integrates the entire production cycle—from the initial forging of alloy steel to the induction hardening of the raceways and final assembly. By maintaining a controlled manufacturing environment, it is guaranteed that every 133.40.1600 slewing bearing features the exact 48 × φ26 mounting hole configuration and geometric stability required for seamless integration into port and marine cranes. This vertical integration allows for rigorous quality control and metallurgical testing that third-party distributors simply cannot provide.

Comparing technical documentation and metallurgical reports from a verified manufacturer is the most effective way to safeguard equipment longevity. Obtaining a detailed quote allows for a precise evaluation of precision grades and material certifications. The three-row roller design maximizes axial load distribution and overturning moment resistance for heavy-duty 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 Verified Industrial Leader for 133.40.1600 Slewing Bearing Solutions

Luoyang Heng Guan Bearing Technology Co., Ltd stands as a verified, high-performance 133.40.1600 slewing bearing manufacturer specializing in heavy-duty precision components, specifically engineered for the rigorous demands of the 133.40.1600 slewing bearing market. With over 20 years of deep-rooted expertise in Luoyang, the heart of China’s bearing industry, we have established ourselves as a premier production hub serving industrial clients across more than 50 countries. Our manufacturing scale is evidenced by our specialized facility capable of processing massive components, such as the 133.40.1600 model, which features a 1795mm outer diameter and a substantial net weight of 1520kg.

Material science and precision engineering are at the heart of our technical strength. For tower cranes and naval equipment, we use quality 42CrMo cast rings and GCr15SiMn rollers, along with advanced induction hardening to make sure the metal is strong enough. Each three-row cylindrical roller bearing is made to meet P5 and P4 precision grades. This makes them very resistant to twisting moments and high rotational loads. To show that we care about quality and making sure our suppliers are real, we closely follow ISO 9001, DIN, and GB rules in everything we do. This makes sure that all of our products are RoHS compliant. By strictly following international standards, we can be sure that every internal gear system we make will work reliably in high-stress situations. You can look at our technical certifications or set up a virtual factory audit to make sure we can meet your high-load project needs and confirm that we can produce on a large scale.

✅ ISO 9001 & DIN Certified

✅ 20+ Years Manufacturing Expertise

✅ Exported to 30+ Countries

✅ P5/P4 Precision Grade Verified

✅ 42CrMo High-Grade Forged Rings

Verified Manufacturing Excellence for 133.40.1600 Slewing Bearings

Sourcing a 1520kg three-row cylindrical roller bearing requires more than a technical spec sheet; it demands a partner capable of managing the metallurgical integrity of 42CrMo forgings and the geometric precision of internal gears. Selecting an unverified supplier risks catastrophic downtime in tower crane operations. This production-focused approach bridges the gap between raw material traceability and P4 precision machining to ensure long-term structural reliability for heavy-duty lifting applications.

Advanced Metallurgical Integrity for 1520kg Load Stability
Certified 42CrMo forged rings and GCr15SiMn rollers provide the foundation for every 133.40.1600 unit produced. Rigorous quenching and tempering processes ensure a core hardness of 220–260 HB, while induction hardening of raceways reaches 55–62 HRC. This specialized heat treatment strategy prevents premature fatigue and allows the bearing to withstand the massive overturning moments common in tower crane operations. The metallurgical process ensures consistent performance under extreme loads.
View Material Certifications
Precision Gear Machining for Smooth Torque Transmission
Achieving P5 or P4 grade accuracy on internal gears with a module of 14 requires advanced grinding technology. Strict control over the 1330mm pitch diameter and the 96 internal teeth minimizes backlash and vibration during full 360-degree rotations. This precision machining reduces mechanical wear on the crane’s drive pinion, significantly extending the service life of slewing mechanisms in port and marine environments. High-precision gear parameters ensure reliable power transmission.
Integrated Production for Large Scale Roller Systems
Manufacturing large-scale three-row roller bearings involves specialized CNC vertical lathes and precise drilling for the 48-hole mounting pattern. The production facility accommodates the H=220mm profile, ensuring seamless alignment between internal rings and rolling elements. Full vertical integration from blank forging to final assembly eliminates third-party risks, providing a robust supply chain for stacker-reclaimers and ladle turret manufacturers. As 133.40.1600 slewing bearing manufacturer that Integrated production capabilities guarantee consistent structural integrity across every batch.
Review Production Capacity

30,000 m² | State-of-the-Art Manufacturing Facility

150+ | Large-Scale CNC Machining Centers

20+ Years | Heavy-Duty Bearing Engineering Expertise

45 Days | Standard Lead Time for Large-Diameter Units

High-precision 133.40.1600 slewing bearings offer verified durability for critical heavy-lifting infrastructure.

FAQs

1. What are your production lead times and MOQ for the 133.40.1600 slewing bearing?

For a standard 133.40.1600 slewing bearing order, our typical production lead time is 35 to 45 days, and our Minimum Order Quantity (MOQ) is just 1 unit. As a specialized manufacturer, we maintain a strategic stock of 42CrMo forged rings to accelerate the machining process for this specific internal gear model used in tower cranes. Every production cycle includes rigorous scheduling to ensure timely delivery for both urgent replacements and large-scale OEM projects. If you have a critical breakdown requirement, our technical team can often expedite the manufacturing process to under 30 days. Contact our sales department today for a formal quotation and a detailed production timeline tailored to your project.
2. Where is your factory located, and what is your current manufacturing capacity for large-diameter bearings?

Our primary manufacturing facility is located in a high-end industrial zone, covering over 25,000 square meters of dedicated production space. We operate 15 sets of large-scale CNC vertical lathes and specialized gear hobbing machines capable of processing bearings up to 5,000mm in diameter. Our annual production capacity exceeds 3,000 units of heavy-duty slewing rings, specifically designed for tower and port cranes. We welcome professional third-party factory audits from organizations like SGS or TUV to verify our equipment, workforce, and supply chain stability. You are also welcome to schedule a live video tour of our facility to see our three-row roller assembly lines in action and verify our manufacturing strength firsthand.
3. How do you ensure the material quality and hardness specifications for the 42CrMo forged rings?

We ensure material integrity through a mandatory multi-step verification process, starting with Ultrasonic Testing (UT) on all raw forgings to detect internal flaws or porosity. For this specific model, we strictly control the induction hardening process to achieve a raceway surface hardness of 55–62 HRC, while maintaining a core toughness of 220–260 HB to absorb high shock loads. Each batch is accompanied by a comprehensive Material Test Report (MTR) and a Hardness Depth Profile. Our laboratory also conducts chemical composition analysis to ensure the GCr15SiMn rollers meet international DIN and ISO standards. Request a sample inspection report from our technical team to review our quality benchmarks.
4. Can you provide specific certification and testing reports for the internal gear accuracy before shipment?

Yes, we provide a full suite of quality documentation, including ISO 9001 compliance certificates and specialized gear precision reports for every unit shipped. For the internal gear mechanism (Module 14, 96 teeth), we use high-precision gear testers to verify that the pitch diameter and tooth profile meet ISO Grade 8 or higher standards. Before shipment, every bearing undergoes a final inspection for axial/radial clearance and mounting hole alignment (48 × φ26). We also provide RoHS and GB/T 2300-2011 conformity declarations upon request. These documents ensure that your crane components are fully traceable and meet the safety requirements of your local regulatory authorities.
5. What are the key factors to evaluate when choosing a manufacturer for a 133.40.1600 slewing bearing?

Evaluating a manufacturer for heavy-duty three-row roller bearings requires a focus on their large-scale machining precision and heat treatment consistency. Because these bearings support massive overturning moments, the manufacturer must demonstrate expertise in managing the assembly of a 133.40.1600 slewing bearing where internal tolerances are extremely tight. Key criteria include the availability of in-house induction hardening equipment, the use of high-grade alloy steels like 42CrMo, and a proven track record in lifting applications. Furthermore, a reliable supplier should offer comprehensive technical support, including load curve calculations and installation guidance, to ensure the bearing performs safely over its 10 to 15-year design life.