ZZ Slewing Bearing

Installation Steps for a Slew Drive in a Solar Tracking System

  • Preparation

Ensure all components, including the slew drive, mounting brackets, and fasteners, are clean and free from damage.Verify that the mounting surfaces are flat and properly aligned.Prepare necessary tools such as torque wrenches, alignment equipment, and thread-locking adhesive.

  • Mounting the Slew Drive

Position the slew drive on the prepared mounting structure.Align the drive’s holes with the mounting holes on the structure.Secure the slew drive using appropriate bolts and washers, ensuring they meet the specified torque requirements.

Slewing Drive In A Solar Tracking System

  • Attaching the Solar Panel Frame

Align the solar panel frame with the output flange or ring of the slew drive.
Secure the frame using bolts and locking nuts. Apply thread-locking adhesive to prevent loosening.
Ensure the frame is balanced and evenly distributed to avoid uneven stress on the slew drive.

  • Connecting the Motor (if applicable)

Install the motor to the slew drive’s motor flange or input shaft.Ensure proper alignment between the motor shaft and the slew drive input. Tighten the mounting bolts securely and check for smooth motor rotation.

  • Electrical Connections

Connect the motor to the power supply or controller following the manufacturer’s wiring diagram.
Ensure proper grounding to prevent electrical hazards. Verify the voltage and current requirements for compatibility.

Slew Drive In A Solar Tracking System

  • Testing and Calibration

Test the slew drive’s movement to ensure smooth rotation in both directions. Calibrate the system for precise solar tracking, adjusting as necessary. Confirm that the slew drive holds the load securely without slipping.

  • Final Inspection

Check all bolts and connections for tightness. Ensure there is no misalignment or abnormal noise during operation.
Apply corrosion protection if the slew drive is exposed to outdoor environments. Routine Maintenance

Document the installation process and initial setup parameters. Schedule periodic inspections to monitor performance, lubrication, and wear. This method ensures reliable and efficient operation of the slew drive in a solar tracking system.

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.

Latest news
Latest news