ZZ Slewing Bearing

ZZ Slewing Bearing Wishes All Clients a Merry Christmas and a Prosperous New Year

ZZ Slewing Bearing would like to take this opportunity to extend our warmest Christmas greetings to all our esteemed clients, both new and long-standing. This festive season is a time to reflect on the year gone by and express our sincere gratitude for the trust and support you’ve placed in us. Your continued partnership has played a significant role in our success, and we are truly grateful.

ZZ Slewing Bearing Merry Christmas

As we look forward to the coming year, ZZ Slewing Bearing remains committed to providing high-quality products and solutions tailored to the unique needs of your business. We are proud to offer our range of precision-engineered products, including slewing rings and turntable bearings, which are essential components for ensuring smooth and efficient operation of your machinery. These products, known for their reliability and durability, continue to support industries worldwide in achieving operational excellence.

As the year comes to a close, we want to express our deepest thanks for your ongoing trust and collaboration. We hope this Christmas season brings you joy, peace, and memorable moments with your loved ones. May the New Year be filled with prosperity, new opportunities, and continued success for you and your team.

We eagerly anticipate further growth and collaboration in the year ahead, and we are committed to supporting your business with exceptional products and services. Thank you for choosing ZZ Slewing Bearing. Wishing you a Merry Christmas and a Happy New Year!

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