Product Details

SE-9 Slew Drive

SE series slew drives are widely used in multiple industrial fields and engineering application scenarios due to their high precision, large torque and stability. The following are some common application scenarios of SE series slew drives:

Industrial machinery: SE series slew drives are commonly used in the field of industrial machinery, such as CNC machine tools, injection molding machinery, mixing equipment, etc. Its high precision and high torque make it ideal for production equipment that requires rotational motion, such as positioning, rotating and machining parts during manufacturing.

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.

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Specification

The structural design of the SE series slew drive usually includes the following key components:

  • Outer ring and inner ring: The basic structure of the SE series slew drive consists of an outer large ring and an inner small ring. An annular space is formed between these two rings in which the rotational motion takes place. The outer ring is fixed in the mechanical system, while the inner ring is connected to the mechanical equipment and rotates through the drive system.
  • Gear system: The gear system between the inner and outer rings is the key transmission mechanism. The gear system consists of precision-made gears that allow the inner ring to rotate smoothly relative to the outer ring. The design and manufacture of gears is critical to ensuring the accuracy, torque transfer and durability of the system.
  • Motor: The motor is the power source of the SE series slew drive, and a high-efficiency DC or AC motor is usually selected. The output shaft of the motor is connected to the gear system to drive the rotary motion by providing rotational torque.
  • Reducer: In order to reduce the high-speed rotational motion output by the motor, SE series slew drives are usually equipped with a reducer. Reducers increase torque by slowing down rotation and ensure smoothness and precision of the system.
ModelOutput TorqueTilting Moment TorqueHolding TorqueGear RatioTracking PrecisionWeightDrawing
SE96.5 KN.m33.9 KN.m38.7 KN.m61:10.17°49kg
SE94794 lbf.ft25×10³ lbf.ft29×10³ lbf.ft61:10.17°49kg

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Frequently Asked Questions

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:

  • Single row four point contact slewing bearings Application: medium loads, precise rotation.
  • Double row ball bearings  Application: higher radial and axial loads.
  • Cross roller bearings –Application: high rigidity, suitable for robots and machining centers.
  • Three row roller bearings – Application: extreme loads in heavy equipment.
  • Ball combine roller bearings –Application:  precise rotational adjustment applications.
  • Customized bearings – tailored for specific equipment requirements.

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:

  • Insufficient or incorrect lubrication.
  • (dust, metal particles) in raceways.
  • Rolling element or track damage.
  • Uneven mounting surfaces or misalignment.
  • Incorrect bolt torque(below grade 8.8) or preloading.

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.