SE Series slew drives offer multiple advantages in industrial and engineering applications, making them the first choice in many areas. Here are some of the key advantages of the SE Series slew drives:
High Precision: The SE series slew drive is precisely designed to provide highly accurate rotational motion. This is important for applications that require precise positioning and control, such as production equipment and robotics.
High torque: The SE series slew drive is capable of providing high torque output, making it suitable for applications that need to handle heavy loads or perform high-power operations, such as construction machinery and solar tracking systems.
Solar tracking system: In the solar industry, SE series slew drives are widely used in solar tracking systems to adjust the angle of solar panels to maximize the absorption of sunlight. Such applications require high precision and reliability to ensure that the solar panels maintain their optimal orientation during daily and seasonal changes.
Robotics: In the field of industrial and service robots, SE series slew drives are often used in robot joints to enable robots to achieve precise joint movements. This is crucial for robots to perform complex tasks on production lines or perform specific operations in service industries.
| Model | Output Torque | Tilting Moment Torque | Holding Torque | Gear Ratio | Tracking Precision | Weight | Drawing |
|---|---|---|---|---|---|---|---|
| SE12 | 7.5 KN.m | 54.3 KN.m | 43 KN.m | 78:1 | 0.17° | 61kg | |
| SE12 | 5532 lbf.ft | 40×10³ lbf.ft | 32×10³ lbf.ft | 78:1 | 0.17° | 61kg |
Expert Insights and Reliable Solutions to Your Most Common Questions.
ZZ Slewing Bearing supplies a full range of slewing bearings to meet different industrial needs:
Typical selection parameter for ZZ clients:
Load type: axial, radial, and tilting moment.
Rotation RPM: ensures long service life.
Installation space & mounting dimensions: inner/outer ring diameter, bolt circle.
Precision & rigidity requirements: critical for cranes, excavators, and robots.
ZZ engineers provide professional selection guidance according to your equipment and drawings.
ZZ Slewing Bearing selects materials for strength, wear resistance, and long-term durability:
Slewing ring: 42CrMo, 50Mn, C45N, 40CrNiMo, C48E.
Special forging spare parts: carburized/hardened steels for gear teeth (20CrMnTi, 18CrNiMo7‑6).
Corrosion resistant: SS 304, 316L, duplex stainless steel.
Surface treatments: heat treatment, quenching, carburizing, induction hardening, and surface coating(Four-Layer Packing, Strong Anti-Rust Oil, Black Oxide Treatment, Jet Black Paint Finish, Hot-Dip Galvanizing (CGL), Electro-Galvanizing (EGL), Hot-Dip Galvanizing + Paint Finish)
Correct installation with flat surfaces.
Proper lubrication using grease.
Avoid overloading or shock loads over capacity.
Monitor operating conditions regularly to prevent debris entry.
Typical factors observed by ZZ engineers:
In-stock: 3–7 days.
Custom: 2–6 weeks depending on size, load, and precision.
Warranty: 1 year
Lifetime Free Spare Parts: Glue, seals, steel ball
Yes — ZZ Slewing Bearing offers:
Detailed installation manuals.
Online engineering support.
Guidance for lubrication, maintenance, and troubleshooting solution.
Full range of materials and heat treatments for various load conditions.
High precision and strict quality inspection standards.
Engineering support before and after delivery.
Customization to exact equipment requirements.
Proven performance in cranes, excavators, robotics, wind turbines, and heavy machinery etc.
ZZ Slewing Bearing (Shanghai) Co., Ltd
Leading Slew Drive & Slewing Bearing Manufacturer in China.
ZZ products are applied globally in solar tracking systems, wind power systems, satellite communications, and numerous other globally connected industries.

