Slewing Bearing Slewing Ring for Ship, Wind Turbine, Excavator
September 04 10:03:20, 2025
Slewing bearings are designed to handle axial, radial, and moment loads in various directions. These bearings are not mounted in a housing or on a shaft but are directly attached to a seating surface. Both the inner and outer rings feature mounting holes, and they may also include integral gears. Slewing bearings are commonly referred to as slewing rings or tabletop bearings and can perform both oscillating (slewing) and rotating movements. They can be used with or without gears, including internal or external gear options, and are manufactured according to customer specifications.
There are several types of slewing bearings, including ball bearings, roller bearings, and ball-roller bearings. In terms of structure, they come in single-row, double-row, and three-row configurations. Some models have teeth on either the inner or outer ring, while others do not. There are also dustproof and grease-proof versions, as well as airproof and non-airproof options. Mounting can be flanged or bolted, depending on the design requirements.
Common types include:
1. Single-row four-point contact ball slewing bearing
2. Single-row four-point contact ball slewing bearing (with flange)
3. Single-row four-point contact ball slewing bearing (with internal gear)
4. Single-row four-point contact ball slewing bearing (with external gear)
5. Ball-roller type slewing bearing (with gear teeth)
6. Triple-row cylindrical roller slewing bearings (with gear teeth)
7. Four-point contact ball slewing bearing (without teeth)
8. Double-row four-point contact roller slewing bearing
9. Cross-roller slewing bearing
10. Cross-roller slewing bearing (with gear teeth on inner ring)
11. Cross-roller slewing bearing (with gear teeth on outer ring)
Slewing bearings are widely used in applications such as ships, wind turbines, and excavators. They are known for their ability to support heavy axial, radial, and overturning loads, making them ideal for large-scale machinery. These bearings are typically equipped with mounting holes, lubrication ports, and sealing devices, allowing for easy installation and maintenance.
Packaging & Shipping:
- We respond to all inquiries within 24 hours.
- OEM and ODM projects are welcomed, supported by our strong R&D team.
- Products are packed in wooden cases.
- We maintain stock for immediate delivery.
Company Information:
Luoyang Longda Bearing Co., Ltd. (LDB) was established in 1999 and is located in Luoyang City, Henan Province, China. The company employs over 100 staff members and operates nearly 60 different manufacturing and testing facilities. LDB specializes in the design, production, and sale of slewing bearings for excavators and other heavy machinery.
Quality Control:
Each product is inspected individually before shipment. We also follow specific customer requirements to ensure quality standards are met. Over the years, we have received minimal feedback regarding quality issues, ensuring customer confidence.
Certifications:
We hold ISO 9001:2000 certification, reflecting our commitment to quality management.
Exhibition:
Our products have been showcased at various industry exhibitions, demonstrating our technological capabilities and product excellence.
Contact Us:
Company Name: Luoyang Longda Bearing Co., Ltd.
Address: Yiyang Bearing Industry Zone, Luoyang City, Henan, China (Mainland)
Website: http://www.ldb-bearing.com
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