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Slewing Bearings

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Split Slewing Bearing

A split slewing bearing is a specially designed slewing bearing with a split outer or inner ring for ease of transportation, installation, and maintenance. It can withstand axial forces, radial forces, and overturning moments, while also resolving the difficulty of assembling integral bearings in oversized or specialized installation environments.

ItemSpecification / Material
Outer Diameter Range300 mm ~ 10,000 mm
Ring Material42CrMo / 50Mn / C45
Ball / Roller MaterialGCr15
Cage Material20 Steel or ZL102 Cast Aluminum Alloy
Spacer MaterialNylon 6 / Nylon 66
Raceway HardnessHRC 55 – 62
Gear TypeGearless, Internal Gear, External Gear
Delivery Time10 – 30 Days
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Split Slewing Bearing

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Split slewing bearings features

Split slewing bearings feature a split structure, making them easy to install and maintain, improving equipment efficiency.

Split slewing bearings can withstand axial forces, radial forces, and overturning moments, ensuring stable operation.

The sturdy structure makes them suitable for heavy machinery and high-load conditions.

Three configurations, including internal gearing, external gearing, and toothless gearing, are available to suit various operating conditions and equipment.

Split slewing bearings advantages

1. Large Diameter Adaptability: LTZC split bearings divide the integral slewing bearing into multiple high-precision segments, enabling the manufacturing of large diameters ranging from meters to over ten meters. This meets the needs of ultra-heavy-duty equipment such as offshore platforms, wind power, port machinery, and large construction machinery.

2. Flexible Installation and Transportation:The split structure of LTZC facilitates segmented transportation and on-site assembly, solving the problems of limited transportation and installation of integral large bearings, significantly reducing construction difficulty and logistics costs. LTZC also provides installation and maintenance guidance for split bearings.

View the LTZC bearing installation and maintenance guide.

3. High Load Capacity and Rotational Accuracy: Each bearing segment undergoes precision bearing machining, heat treatment, and rigorous assembly testing to ensure the accuracy and uniform load-bearing capacity of the assembled bearing.

View LTZC bearing manufacturing capabilities

4. Durable and Highly Reliable: Utilizing high-quality steel and advanced heat treatment processes, LTZC split bearings possess high wear resistance, fatigue resistance, and long-term stability, making them suitable for harsh environments and frequent start-stop conditions.

5. Customized Solutions:LTZC's technical team can provide a complete design, processing, and installation solution based on the size, load, installation conditions, and operating conditions of the customer's equipment, ensuring that the segmented bearings perform optimally in the project.

LTZC heavy -duty bearing

LTZC possesses a complete independent production system and large-scale precision machining capabilities. LTZC can produce large slewing bearings with diameters ranging from 300mm to 15000mm and holds international certifications including ISO9001, 14001, 45001, CCS, BV, and ABS. LTZC bearings are suitable for marine engineering equipment, wind power, port machinery, construction machinery, and ultra-heavy-duty rotating structures. The products feature high load-bearing capacity, high stability, and long service life, meeting the continuous operation requirements under harsh working conditions.

Check the quality and certificates of LTZC.

Precision GradeBore Tolerance (φ50 mm)Outer Diameter Tolerance (φ90 mm)Radial RunoutAxial RunoutRaceway Roundness ErrorRaceway Surface Roughness Ra
P00 ~ -10 μm0 ~ -13 μm≤ 15 μm≤ 15 μm±0.015 mm≤ 1.6 μm
P60 ~ -8 μm0 ~ -8 μm≤ 10 μm≤ 10 μm±0.010 mm≤ 1.25 μm
P50 ~ -6 μm0 ~ -5 μm≤ 6 μm≤ 8 μm±0.008 mm≤ 0.8 μm
P40 ~ -5 μm0 ~ -3 μm≤ 3 μm≤ 4 μm±0.005 mm≤ 0.4 μm
P20 ~ -3 μm0 ~ -2 μm≤ 2 μm≤ 3 μm±0.003 mm≤ 0.2 μm

Why choose LTZC bearings?

A Trusted Brand

With over 20 years of experience in bearing R&D, our global service network covers countries such as India and Russia, ensuring fast and efficient technical support for all bearing issues and ensuring the smooth operation of your equipment.

High-Quality Bearings

Advanced CNC production equipment and manufacturing processes guarantee bearing precision and durability. LTZC bearings also carry third-party testing reports to ensure they meet international standards.


Product Range

LTZC products include slewing bearings, slewing drives, precision thin-wall bearings, and custom bearings. They are widely used in cranes, heavy machinery, and port machinery, maintaining stable performance under harsh operating conditions.

Custom Bearings

Our experienced technical team provides customized bearing solutions for complex applications. Services include load analysis and bearing selection, service life calculations, 3D design, and engineering drawings.


LTZC slewing bearing manufacturer

LTZC Bearings is a trusted bearing manufacturer specializing in slewing bearings, slewing drives, and precision bearings. With advanced CNC machining equipment, comprehensive heat treatment, and strict quality control, our products meet international standards and are ISO certified.

We export high-quality industrial bearings to Germany, India, Russia, and Canada, earning over 10,000 satisfied customer feedbacks. With strong OEM and ODM capabilities, LTZC provides fast delivery and custom bearing solutions for heavy machinery, construction, and automation industries.

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Customized bearing solutions

Customized bearing solutions

LTZC is a professional slewing bearing manufacturer,providing a full range of custom bearing services, including slewing rings, non-standard bearings, large bearings, thin-section bearings, crossed roller bearings, and four-point contact ball bearings. Whether the requirements are special sizes, materials, or complex operating conditions, we can provide customers with the optimal solution through professional R&D and precision manufacturing.

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