A slewing motor enables rotational motion in machinery. It rotates around a fixed point. Used in solar trackers, cranes, and industrial turntables, these motors ensure controlled and precise movement. They optimize solar panel orientation, crane arm positioning, and goods movement efficiency. Slewing motors are vital in wind turbines, adjusting blades for optimal wind capture. Various rotary platforms, like those in manufacturing, use these motors for controlled rotation. In marine systems, such as ship cranes, slewing motors ensure controlled movement. Designed for torque, precision, and control, slewing motors are crucial for efficient and reliable machinery rotation.
ZZ Slewing Bearing
What is a slewing motor used for?
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
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.
prodcuts
Recent news
- All Post
- Blog
- Industry
- Back
- News
- Insights