Explore our top-performing double-row, triple-row cylindrical roller bearings and high-torque gear-driven horizontal rotary drive units engineered for harsh outdoor tracking conditions.
Why concentrated solar power demands unparalleled precision, robust fatigue limits, and specialized ODM engineering services.
Unlike standard photovoltaic setups, CSP Tower systems depend on hundreds of heliostats reflecting light to a single central receiver. This requires continuous micro-adjustments in azimuth and elevation. A variation of even 0.1 degrees can lead to massive thermal loss. Our custom slewing bearings and horizontal rotary drives deliver near-zero backlash, ensuring every solar ray aligns perfectly with the target tower.
CSP plants are commonly deployed in dry, high-UV, desert environments (e.g., the Sahara, Gobi, and Mojave Deserts). These zones exhibit radical thermal swings from sub-zero nights to scorching days. Our slewing bearings are forged from specialized carbon structural steels, tempered to sustain operational consistency from -40°C to +70°C, and fitted with high-integrity labyrinth seals that exclude abrasive dust and fine sand.
Heliostats face sustained wind shear that creates extreme overturning moments on the support axes. Our L-type single-row ball and double-row equal-diameter four-point contact ball slewing bearings utilize advanced inner/outer ring geometries designed specifically to absorb combined axial, radial, and tilting moment loads. This guarantees long-term structural stability under gusty desert wind conditions.
Established in 2022, Jiangsu Manchen Transmission Technology Co., Ltd. is a professional manufacturing enterprise integrating design, research and development, manufacturing, and sales of high-load-bearing, high-strength, and long-life transmission solutions.
Conveniently located in Huangtu Town, Jiangyin City, Jiangsu Province, our facility benefits from mature regional industrial conditions and state-of-the-art machinery. Relying on precise forging, advanced induction heat treatment, and precision grinding techniques, we deliver reliable, cost-effective rotary transmission systems for diverse fields including construction machinery, medical equipment, intelligent warehousing, the photovoltaic industry, CSP projects, port machinery, industrial robotics, and environmental protection equipment.
Equipped with advanced testing apparatus and a comprehensive quality control system, we provide end-to-end traceability from raw material selection to final product delivery. All products comply with stringent domestic and international industry quality standards, fulfilling our core business philosophy: "Quality First, Mutual Cooperation."





Developing the next generation of solar tracking drives for higher efficiency, longer lifetimes, and lower maintenance costs.
By leveraging double-enveloping worm gears or high-precision internal gear horizontal drives, we minimize mechanical backlash to under 0.05°. This keeps optical deviation of the heliostats within tight tolerances, even under heavy wind gusts.
We are engineering sensor-integrated slewing bearings equipped with temperature, vibration, and torque-load monitoring. This allows real-time diagnostics, shifting maintenance from reactive to predictive in large-scale utility solar fields.
By utilizing zinc-nickel alloy plating and marine-grade epoxy coatings, we extend the surface protection life of our components to match the 25-to-30-year lifecycle expectation of modern CSP solar installations.
From raw materials to finished products, our process ensures reliability and traceable performance.
How we combine local raw material sourcing and automated manufacturing to deliver reliable quality on schedule.
Located in the Yangtze River Delta industrial zone, we maintain deep, stable partnerships with premium domestic steel mills. This proximity ensures a constant supply of high-grade bearing steels like 50Mn and 42CrMo, mitigating global supply bottlenecks.
Our facility utilizes CNC machining centers, automated induction hardening lines, and precision grinding machines. By reducing manual handling, we achieve dimensional consistency while scaling up production capacity to match utility-scale solar projects.
By coupling localized supply chains with efficient production management, we offer cost-effective options for global developers without sacrificing material standards or manufacturing precision.
We manufacture in accordance with rigorous international standards, ensuring reliability under challenging operational conditions.
ISO 9001 Certification
Environmental Certification
Occupational Health & Safety
Answers to common engineering and sourcing questions about solar tracking slewing bearings.
For heliostats and solar tracking projects, we provide low-backlash systems. Depending on the model (e.g., L-type single-row ball or internal gear horizontal drives), we can supply units with backlash levels ranging from ≤ 0.05° to 0.15°, matching the precision requirements of your tracking controller.
We combine specialized material selection (like tempered 42CrMo), induction hardening on the raceways, and advanced sealing systems. This prevents sand and moisture intrusion, while high-performance grease ensures stable lubrication under extreme desert heat.
Yes. We collaborate with developers to customize structural elements, such as gear modules, mounting hole patterns, sealing arrangements, and torque capabilities, to match your specific tracking tower structures.
Standard sizes typically ship within 30 to 45 days. For highly customized ODM components requiring new forging dies or custom gear tooth designs, the lead time ranges from 50 to 70 days, including complete structural and runtime testing.
Explore our full line of gearless, internal, and external gear solutions designed to meet high tilting moment requirements.
Contact our technical engineering department for tailored designs, load simulations, and bulk manufacturing options.