• Slewing Bearing Manufacturer Since 1998

    ZZ slewing bearings provide high-quality, high-load, durable, and custom-designed slewing bearings, drives, and gears for your projects.

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  • Professional custom slewing bearing manufacturer

    Non-standard bearings available. Complete range of specifications. Stable quality and fast delivery.

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  • Precision rotary drive for stable power transmission

    High load capacity, low noise, and smoother operation.

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  • Precision slewing bearings - Industry preferred

    High rigidity, long service life, customizable.

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  • Slewing drive source factory, customized selection

    Standard/non-standard models available, tailored to your needs.

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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.

ZZ 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.

ZZ PRODUCTS

ZZ 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.


Why Choose ZZ

Technological Innovation and R&D Capabilities

Focus on R&D and innovation of slewing bearings and slewing drives, with an in-house professional R&D team. We continuously upgrade processes and optimize structures to provide reliable technical support for various heavy industry working conditions.

Product Diversity and High Precision

A complete range of slewing bearings and slewing drives with full specifications. Adopting precision machining technology, they feature high precision and strong wear resistance, suitable for construction machinery, photovoltaic, environmental sanitation, ports and other industries.

High Cost-Effectiveness and Price Advantage

As a source manufacturer with independent R&D and production, we eliminate intermediate links, offering more competitive prices with the same quality and stable and affordable procurement costs for overseas customers.

Efficient Supply and Delivery Capacity

We keep a large inventory of standard models in stock, with sufficient production capacity and efficient order scheduling, capable of meeting the on-time delivery of bulk orders and emergency orders.

Customized Services and Quality Commitment

We support customized R&D and production of non-standard sizes and special working conditions. Strict quality inspection is carried out throughout the process, and each product comes with a commitment to stable service life and quality after-sales.

Comprehensive Customer Support and Service

We provide one-stop services including model selection, technical consultation, installation guidance and foreign trade orders, with professional follow-up throughout the process to ensure a worry-free cooperation.


Slew Bearing and Slew Drive Manufacturer

ZZ is a professional manufacturer specializing in slewing bearings and slewing drives. With strong technological innovation and R&D capabilities, we have an in-house professional R&D team dedicated to process upgrading and structural optimization.

We provide a complete range of high-precision products, covering various specifications to meet the needs of construction machinery, photovoltaic, environmental sanitation, ports and other industries. As a source manufacturer, we offer high-cost-effective products with competitive prices by eliminating intermediate links. Equipped with sufficient production capacity and large standard inventory, we ensure efficient supply and on-time delivery for both bulk and emergency orders.

In addition, we provide customized R&D and production services for non-standard sizes and special working conditions, with strict quality inspection and clear quality commitments. Our one-stop service includes model selection, technical consultation, installation guidance and foreign trade support, supported by professional follow-up to provide customers with reliable and worry-free cooperation experience.

Slewing Bearing and Gear Drive Solutions

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


Excavator Slew Bearing

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


Solar Slew Drive

ZZ 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

ZZ 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

ZZ 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

ZZ 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

ZZ 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.


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