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Slewing Drives

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Vertical Type Slewing Drive

The vertical type slewing drive is a high-performance slewing device designed specifically for vertical rotation control. It integrates a worm gear drive, slewing bearing, and drive mechanism to achieve high torque and high-precision rotation in a compact space, while maintaining stable operation in harsh environments.

ItemSpecificationsApplication
Range of External Diameter100 mm - 70000 mm• Solar photovoltaic tracking systems
• Wind turbine towers
• Satellite antennas
• Construction machinery
• Industrial automation equipment
• Solar photovoltaic tracking systems
Quenching and Tempering Materials45 steel, 35SiMn steel, 40Cr steel, 40CrNi steel, 40MnB steel
Quenched Materials20Cr steel, 20CrMnTi steel, 20MnB steel, 20CrMnTi steel
Quenching and Tempering HardnessHB220 - 260 (Brinell Hardness)
Quenched Hardness48 - 55 HRC
Delivery Lead Time30 - 60 days
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Vertical Type Slewing Drive

Vertical type slewing drive features

Strong material and fine craftsmanship: Hardness of 48-55 HRC ensures durability.

High-precision transmission: Built-in precision gears and bearings ensure smooth and precise rotation.

Compact integration: Small size and light weight allow for direct docking with the main unit, reducing assembly parts.

Vertical type slewing drive advantages

High load capacity, adaptable to various working conditions

Leveraging LTZC's independently developed large-size machining capabilities, each slewing drive ensures stable operation and a long service life.

Precision transmission, achieving high positioning accuracy

Through LTZC's high-precision tooth surface machining technology, the vertical rotary drive achieves smooth, low-backlash meshing, ensuring excellent positioning accuracy and rotational stability even under high loads and high speeds for large rotating equipment.

Strong environmental resistance, adaptable to complex working conditions

LTZC slewing drives offer high-performance bearing seals and lubrication solutions, enabling stable operation in complex environments.

Customization capabilities, meeting non-standard needs

As a leading slewing  drive manufacturer, LTZC can provide customized slewing drive solutions, including different sizes, gear modules, drive interfaces, and integrated sensors, ensuring that each vertical rotary drive perfectly matches the customer's equipment requirements.

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SG Series Vertical Slewing Drives

Model Gear Ratio Torque Md (Nm) Maximum Torque Mdmax (Nm) Axial Static Load Coax (kN) Radial Static Load Corad (kN)
SG224 62:13:00 3140 6280 601 200
SG315 82:13:00 4152 8305 915 340
SG478 116:15:00 9500 14250 1433 520
SG550 128:15:00 10483 15724 1598 640

WR Series Vertical Slewing Drives

Model Gear Ratio Torque Md (Nm) Maximum Torque Mdmax (Nm) Axial Static Load Coax (kN) Radial Static Load Corad (kN)
WR224 61:01:00 4790 9300 601 200
WR341 85:01:00 10100 12900 915 340
WR430 104:01:00 15600 15600 1124 410
WR534 126:01:00 23500 30500 1598 640

VE Series Slewing Drives

Model Output Torque (N·m) Overturning Moment (N·m) Holding Torque (N·m) Axial Static Load (kN) Radial Static Load (kN) Axial Dynamic Load (kN) Radial Dynamic Load (kN) Gear Ratio Accuracy Class Self-Locking Weight (kg)
VE3 400 500 2000 30 15 9.6 8.4 62:01:00 ≤0.02° Yes 17
VE6 2000 9000 10000 60 120 14.4 63 30:01:00 ≤0.17° Yes 45
VE7 1500 6000 10400 133 53 32 28 73:01:00 ≤0.02° Yes 37
VE9A 6500 12000 12000 338 120 81 61 61:01:00 ≤0.17° Yes 58
VE17 20000 65000 75000 50 120 - - 81:01:00 ≤0.15° Yes 150
VE21 23000 100000 105800 80 160 - - 125:01:00 ≤0.15° Yes 370

Why choose LTZC bearings?

A Trusted Brand

With over 20 years of experience in bearing R&D, our global service network covers countries such as India and Russia, ensuring fast and efficient technical support for all bearing issues and ensuring the smooth operation of your equipment.

High-Quality Bearings

Advanced CNC production equipment and manufacturing processes guarantee bearing precision and durability. LTZC bearings also carry third-party testing reports to ensure they meet international standards.


Product Range

LTZC products include slewing bearings, slewing drives, precision thin-wall bearings, and custom bearings. They are widely used in cranes, heavy machinery, and port machinery, maintaining stable performance under harsh operating conditions.

Custom Bearings

Our experienced technical team provides customized bearing solutions for complex applications. Services include load analysis and bearing selection, service life calculations, 3D design, and engineering drawings.


LTZC slewing bearing manufacturer

LTZC Bearings is a trusted bearing manufacturer specializing in slewing bearings, slewing drives, and precision bearings. With advanced CNC machining equipment, comprehensive heat treatment, and strict quality control, our products meet international standards and are ISO certified.

We export high-quality industrial bearings to Germany, India, Russia, and Canada, earning over 10,000 satisfied customer feedbacks. With strong OEM and ODM capabilities, LTZC provides fast delivery and custom bearing solutions for heavy machinery, construction, and automation industries.

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Customized bearing solutions

Customized bearing solutions

LTZC is a professional slewing bearing manufacturer,providing a full range of custom bearing services, including slewing rings, non-standard bearings, large bearings, thin-section bearings, crossed roller bearings, and four-point contact ball bearings. Whether the requirements are special sizes, materials, or complex operating conditions, we can provide customers with the optimal solution through professional R&D and precision manufacturing.

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