• Slew Bearing Manufacturer Since 1999

    LDB Bearing offers high-quality, custom-tailored slew bearings, slewing drives and gears for your project.

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  • Slew Drive for 3D Printing

    Good Quality Slew Drive, Dual Axis Slew Drive for solar tracker and manlift.

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  • Slew Drive for Manlift

    Good Quality Slew Drive, Dual Axis Slew Drive for solar tracker and manlift.

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  • Slewing Drive for Radar

    Good Quality Slew Drive, Dual Axis Slew Drive for solar tracker and manlift.

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  • Slewing Bearing for CT Scan

    Professional slew bearing manufacturer for CT Scaning machine slew bearing replacements.

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FEATURED PRODUCTS

Check out featured slewing bearings, slew drives, and spur gear drives in various designs for heavy machinery, such as cranes, excavators,  earthmovers, solar trackers,machining and automation industries.

Four Point Contact Ball Slewing Bearing

Four-point contact ball slewing bearing is mainly composed of inner ring, outer ring, single-row steel balls, cage (or spacer), sealing device and other parts.

LDB SE Series Slew Drive

The SE series slewing drive is a type of worm gear driven slewing drive that features a compact design, high torque capacity, and precise rotation control.

SG-I Spur Gear Slewing Drive

SG-I series Spur Gear Slewing Drive is composed of a rotary bearing, gear, bearing seat, adapter flange, support bearing, seals, and other components.

Cross Roller Slew Bearing

Cross-roller slew rings are roller slew bearings with high rotational accuracy that are capable of receiving a load in any direction.

WE series Slewing Drive

WE series Slewing Drive is composed of a slewing bearing, worm, bearing housing, adapter flange, support bearing, sealings, and others.

SG-M Spur Gear Slew Drive

A SG-M spur gear slewing drive is a type of mechanical component that provides high load-carrying capacity and precise movement for various applications.

LDB PRODUCTS

LDB Bearing manufactures standard and customized slewing bearings, slew drives, and spur gear drives in various designs for heavy machinery, such as cranes, excavators,  earthmovers, solar trackers,machining and automation industries.

Slewing Bearings

Slewing bearings are designed for large load-bearing capability and can manage a full range of heavy-duty mechanical equipment.

Slew Drives

Slew drives are an update to worm drive mechanisms and are made for applications that need rotational torque and load holding in the same gearbox.

Spur Gear Slew Drive

Spur gear slew drive is also called gear slewing reducer which is generally composed of pinion gears, turntable bearings, shells, motors, or motors.

TRUST THE CHOICE OF GLOBAL 500, TRUST THE PRODUCTS FROM LDB

 
 

Slew Bearing and Slew Drive Manufacturer

Luoyang Longda Bearing Co., Ltd.(LDB-Bearing)was established in 1999 and is located in China’s bearing production base – Luoyang, Henan. The registered trademark is LDB®. LDB Bearing has a product range from 150mm to 4000mm in diameter slew bearing and gear rings, covering the production and manufacturing of various standard and non-standard specifications of slew bearings.

LDB Slew bearing and slew drive products have earned ISO9001:2015 certificate and German TUV certification in the year 2019. The entire production process from the entry of raw materials to the delivery of finished products implements strict process control and quality control. LDB slew bearings and slew drives have been exported to 73 countries and regions around the world, including Asian countries, America, Oceania and other regions.

Slewing Bearing and Gear Drive Solutions

LDB has design and manufacturing expertise in slew bearing and slew drive across a diverse range of markets and industries.


Excavator Slew Bearing

LDB provides excavator slew bearing replacements for excavators including Cat, Komatsu, Hyundai, Kubota, Hitachi, Kobelco, Volvo, Liebherr, JCB, John Deere and more.


Solar Slew Drive

LDB provides slew drive for solar tracker and soler energy generating systems for large solar energy farm, greatly save cost and increase solar energy efficiency.


Захват древесины

Forest Machinery Slew Bearing

LDB DB provides bogie slewing bearings, the bogie bearings produced are made of 42CrMo, which has good mechanical properties and makes the bogie bearings more durable.


Manlift Slew Drive

LDB provides slew drive for manlift and aerial work platfrom. A man lift slew drive contains bearing, rotation and motion control in a compact system.

CTSCan Slew Bearing

LDB provides slew drive solutions for medical care machinery such as CT scan, patient treatment equipment, hospital beds and other important devices.

Slew Drive for Automation

LDB provides slew drives for automation industries and stock a range of durable slew rings with the horsepower and torque necessary for robotic arms and other robotic applications.


  • Gear shaper

The SG-H Spur Gear Slewing Drive is irreplaceable.

The SG-H Spur Gear Slewing Drive has many advantages. It adopts a double-row slewing bearing design, which provides a strong load – bearing capacity and can meet the requirements of high – load equipment such as port cranes. The gear transmission ensures high transmission efficiency with low energy loss. Its compact structure is beneficial for the lightweight and miniaturization of equipment. The fully enclosed design, combined with NBR rubber seals, achieves an IP65 protection level, offering excellent protection performance. It also has a high slewing accuracy and can be used in precision automated equipment. It has a unique structural design, and components such as the slewing bearing, gears, and housing are made of high – quality materials and have excellent performance. Its price is affected by factors such as load – bearing capacity, accuracy requirements, and customization levels.

Why Evaluate the Performance of Slew bearings?

In the modern industrial system, slew bearings serve as crucial basic components of mechanical equipment. The quality of their performance directly impacts the operation quality, reliability, and service life of the equipment. Conducting a comprehensive and scientific evaluation of the performance of slew bearings is not only a necessary prerequisite for ensuring the efficient and stable operation of equipment but also an important guarantee for promoting the continuous progress of industrial technology. The following will deeply analyze the performance evaluation of slew bearings from multiple dimensions.

How to Ensure the Reliability of Slewing Bearings in Medical Equipment

Ensuring the reliability of bearings in medical equipment requires comprehensive consideration from multiple aspects, including material selection, precision requirements, lubrication and sealing, cleaning and sterilization, quality control and inspection, as well as reliability design and life assessment. Each link has a significant impact on the performance and reliability of the bearings. Only by strictly controlling […]