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Slewing Drives

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Enclosed Housing Slewing Drive

Enclosed housing slewing drive drive is a high-strength, high-reliability slewing drive system. It features a fully enclosed structure consisting of a high-precision slewing bearing and gear transmission system, enabling smooth and precise slewing motion.

ItemSpecificationsApplication
Range of External Diameter100 mm - 70000 mmSolar Photovoltaic Tracking Systems
Quenching and Tempering Materials45 steel, 35SiMn steel, 40Cr steel, 40CrNi steel, 40MnB steelSatellite Antennas
Quenched Materials20Cr steel, 20CrMnTi steel, 20MnB steel, 20CrMnTi steelRadar Systems
Quenching and Tempering HardnessHB220 - 260 (Brinell Hardness)Construction Machinery
Quenched Hardness48 - 55 HRCRobots
Delivery Lead Time30 - 60 daysHigh-end Automation Equipment
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Enclosed Housing Slewing Drive

Enclosed housing slewing drive 

A Enclosed-type slewing drive is an integrated drive unit with a completely enclosed housing design.  Its key components, such as the slewing bearing, reduction mechanism, and gear set, are fully enclosed within the sealed housing, with only the flange connection surface and power interface exposed.  This integrated design allows for easy installation. This type of slewing drive offers superior sealing performance, effectively preventing dust and impurities from entering the drive and affecting transmission, thus ensuring efficient and stable operation.

Enclosed housing slewing drive advantages

Fully Enclosed Structure for Enhanced Protection

The LTZC features a fully sealed design, effectively preventing dust, moisture, and impurities from entering the internal gears and slewing bearing, thus improving long-term operational reliability.

Integrated High-Precision Slewing Bearing

The enclosed slewing drive integrates the slewing bearing, reduction mechanism, and gearbox into a single unit, enabling high-precision meshing and transmission of the worm gear.

High Weather Resistance, Suitable for Harsh Environments

The surface is coated with an anti-corrosion layer and sealed for protection, maintaining stable torque output even in salt spray, high humidity, sandstorms, and corrosive environments, meeting the requirements of outdoor and marine applications.

Strict Quality Control and International Certification Support

LTZC possesses a complete manufacturing system for slewing drives, with its own production facility and ISO/classification society certifications, ensuring that the slewing drives meet international engineering application standards in terms of precision and durability.

Get a quote for LTZC bearings              View LTZC quality and certifications               View LTZC manufacturing capabilities

SE series-Enclosed Housing Slewing Drive

Model Gear Ratio Rated Output Torque (Nm) Maximum Output Torque (Nm) Holding Torque (Nm) Output Speed (rpm) Self-Locking Weight (kg)
SE3 62:01:00 600 900 5000 ≤2 Yes 23
SE5 62:01:00 1000 1500 10000 ≤2 Yes 35
SE7 85:01:00 3000 4500 25000 ≤1.5 Yes 55
SE9 85:01:00 6000 9000 50000 ≤1.5 Yes 80
SE12 85:01:00 8000 12000 60000 ≤1.5 Yes 115
SE14 85:01:00 10000 15000 70000 ≤1.5 Yes 145
SE17 85:01:00 15000 22500 120000 ≤1 Yes 210
SE21 85:01:00 21000 31500 160000 ≤1 Yes 300
SE25 85:01:00 28000 42000 190000 ≤1 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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