Three Row Roller Slewing Bearings

Three Row Roller Slewing Bearings – Heavy-Duty Rotational Solutions

Product Details

When your heavy machinery demands exceptional load capacity and reliable performance, Three Row Roller Slewing Bearings deliver the solution you need. These specialized rotational components feature a unique triple-roller configuration that simultaneously handles significant axial loads, radial forces, and overturning moments. Unlike conventional slewing bearings, the independently arranged three-row design provides superior load distribution and structural rigidity. This makes them ideal for applications where equipment stability and precision matter most.

Our products are manufactured using high-purity GCr15SiMn bearing steel for rolling elements and 42CrMo or 50Mn special alloy steel for the base structure. This material combination ensures optimal strength and dimensional stability under demanding operational conditions.

You'll find these bearings essential in excavators, port cranes, metallurgical equipment, and wind turbines—anywhere heavy loads meet continuous rotation requirements.

Why Choose Us?

Over 20 Years of Bearing Expertise

Luoyang Hengguan Bearing Technology Co., Ltd.. specializes in the manufacturing of slewing bearings. Our R&D and manufacturing team of over 50 experts brings decades of practical experience to every product.

Precision Manufacturing Capability

We manufacture slewing bearings with diameters ranging from 50mm to 10,000mm. Our bearings are available in precision grades P0, P6, P5, or P4 to meet your specific application requirements.

Advanced Production Equipment

Our production facility is equipped with CNC vertical lathes, CNC quenching machines, CNC Gear shaping machines, machining centers, and large gear hobbing equipment. This ensures consistent, high-quality output across all production runs.

Customization Without Limits

Need non-standard dimensions or special configurations? We provide tailored solutions, including reverse engineering of legacy components and custom machining—even without original 3D drawings.

Global Quality Standards

As an ISO 9001 certified and RoHS compliant manufacturer, our products meet international specifications including DIN, ISO, and GB standards.

Proven Worldwide Track Record

We have supplied clients in over 50 countries, including the United States, Germany, the United Kingdom, Australia, and throughout the Middle East

Technical Specifications

Certification

Features and Benefits

Triple-Row Load Distribution

The three independent roller rows provide balanced load distribution. This design significantly increases the load capacity compared to single or double-row configurations.

Superior Rigidity and Stability

The robust structural design minimizes deflection under load. You’ll experience reduced vibration and improved positioning accuracy during operation.

Multi-Directional Load Handling

These bearings simultaneously manage axial forces, radial loads, and tilting moments. This eliminates the need for multiple bearing assemblies in your design.

Extended Service Life

High-purity bearing steel and advanced heat treatment processes enhance wear resistance. Proper maintenance extends operational life even in harsh environments.

Simplified Installation

The bolt-mounting design allows for straightforward installation and replacement. This reduces downtime during maintenance procedures.

Effective Sealing System

High-quality rubber seals prevent contamination from dust, moisture, and debris. This protection is essential in mining, construction, and outdoor applications.

Applications

Engineering and Construction Machinery

Excavators, mobile cranes, concrete pumps, and wheel loaders rely on these bearings for boom and turret rotation.

Port and Material Handling

Bridge cranes, ship-to-shore gantries, and container handling systems utilize them for smooth slewing motion under heavy cargo loads.

Mining and Metallurgical Equipment

Bucket-wheel excavators, continuous casting machines, and rolling mills require the high load capacity these bearings provide.

Wind Energy Systems

Turbine yaw and pitch systems depend on Three Row Roller Slewing Bearings for reliable orientation adjustment in variable wind conditions.

Environmental and Recycling Equipment

Waste sorting systems and recycling machinery benefit from the bearings’ strength and contamination resistance.

Transportation Infrastructure

Bridge construction equipment and tunnel boring machines utilize these bearings for critical rotational joints.

Installation Guide

Pre-Installation Inspection

Verify that mounting surfaces are clean, level, and free from burrs. Check that bolt holes align properly with your equipment.

Mounting Surface Preparation

Ensure flatness tolerances meet the bearing’s specifications. Poor surface conditions reduce load distribution efficiency and bearing life.

Bolt Selection and Tightening

Use high-strength bolts matching the specified grade. Apply lubricant to the threads and tighten them in a star pattern to the recommended torque value.

Initial Lubrication

Fill all lubrication ports with the specified grease prior to operation. Follow the lubrication specifications provided with your bearing.

Alignment Verification

Check that the bearing rotates smoothly without binding. Verify gear mesh if your bearing features integral gearing.

Run-In Period

Operate at reduced load for the first few hours. This allows the rolling elements and raceways to properly seat.

Exhibition

We attend many famous international exhibitions such as Shanghai International Maritime Exhibition,Mining World Russia, bauma China, CTT Russia, etc

Partners

Your trust, we cherish in heart all times and will reciprocate that trust with unwavering quality.

Packaging & shipping

Your goods are unique, and their journey should be flawless. Therefore, we offer professional and customized packaging services. Our experienced team will evaluate your goods' characteristics, transportation route, and environmental requirements to recommend the most secure solution, such as: wooden crate packaging, sturdy frame packaging, or composite reinforced packaging (wooden crate + iron frame).

Positive customer reviews

Our quality and service have received widespread praise from our customers.

Maintenance and Care

Regular Lubrication Schedule

Relubricate at intervals based on operating conditions—typically every 100-300 operating hours. Severe conditions require more frequent lubrication.

Seal Inspection

Inspect seals monthly for damage or wear. Replace compromised seals promptly to prevent contamination.

Bolt Preload Verification

Retighten mounting bolts after the first 100 hours of operation, then check torque quarterly. Loose bolts can cause fretting and premature bearing failure.

Raceway Condition Monitoring

Listen for abnormal noise during operation. Grinding or clicking sounds indicate potential raceway damage requiring immediate inspection.

Rotation Resistance Check

Monitor rotation resistance (torque) periodically. A significant increase may signal insufficient lubrication or internal contamination.

Storage Recommendations

Store spare bearings horizontally in a clean, dry environment. Apply a rust-preventive coating if the storage period exceeds six months.

FAQ

Q: What stack sorts can these heading handle?

A: They at the same time bolster pivotal loads, outspread loads, and toppling minutes in a single compact assembly.

Q: How do I select the right accuracy grade?

A: P0 suits common applications, P6 for standard apparatus, P5 for accuracy gear, and P4 for high-accuracy requirements.

Q: Can you make heading bigger than your standard range?

A: Yes, we customize orientation past 8,000mm breadth for extraordinary applications. Contact Us with your specifications.

Q: What's the ordinary lead time for custom bearings?

A: Standard alterations require 4-6 weeks. Complex custom plans may require 8-10 weeks depending on specifications.

Q: Do you give establishment support?

A: We offer specialized meeting and establishment direction. Our designing group helps with legitimate mounting and setup procedures.

Q: How frequently ought to I supplant the bearing?

A: Benefit life depends on working conditions. Appropriate upkeep ordinarily gives 5-10 a long time of dependable operation in standard applications.

Contact Us

Ready to find the Three Row Roller Slewing Bearings solution for your application? Our engineering team is here to help with technical consultation and product selection. Reach us at mia@hgb-bearing.com for prompt assistance.