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Стандарт
GB,ASTM/AISI,ГОСТ,BS,JIS,NF,DIN/VDEh,DIN/VDEh
Внутренний диаметр
120mm-8000mm
Наружный диаметр
280mm-8000mm
Вес
20kg-8000kg
Structures
Outer Ring, Inner Ring, Spacer, Rolling element, Seal
Бренд
QIBR/OEM/Neutral
Упаковка
Standard Export Package
Материал
42CrMo, 50Mn, or Stainless Steel
ODM/OEM
Support
Применения
Hoisting machinery, construction machinery, material handling machinery, mining machinery, metallurgical machinery, medical instruments,ships and warships, radar,wind turbine

NO. | Product | Product Number | Внутренний диаметр (di) | Наружный Диаметр (Da) | Диаметр делительной окружности шестерни | Вес | Тип шестерни |
---|---|---|---|---|---|---|---|
1 |
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VSA 20 0414 N | 344 mm | 503.3 mm | 495 mm | 31 kg | External Gear |
2 |
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VSA 20 0544 N | 474 mm | 640.3 mm | 630 mm | 43 kg | External Gear |
3 |
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VSA 20 0644 N | 574 mm | 742.3 mm | 732m m | 52 kg | External Gear |
4 |
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VSA 20 0744 N | 674 mm | 838.1 mm | 828 mm | 59 kg | External Gear |
5 |
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VSA 20 0844 N | 774 mm | 950.1 mm | 936 mm | 71 kg | External Gear |
6 |
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VSA 20 0944 N | 874 mm | 1046.1 mm | 1032 mm | 77 kg | External Gear |
7 |
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VSA 20 1094 N | 1024 mm | 1198.1 mm | 1184 mm | 91 kg | External Gear |
8 |
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VSA 25 0755 N | 655 mm | 898 mm | 882 mm | 128 kg | External Gear |
9 |
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VSA 25 0855 N | 755 mm | 997 mm | 981 mm | 145 kg | External Gear |
10 |
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VSA 25 0955 N | 855 mm | 1096 mm | 1080 mm | 155 kg | External Gear |
11 |
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VSA 25 1055 N | 955 mm | 1198 mm | 1180 mm | 171 kg | External Gear |
Features and advantages of QIBR VSA series four-point contact ball slewing bearings
The QIBR VSA series four-point contact ball slewing bearings come with multiple significant features and advantages, playing an essential role across various industries, including:
1. Efficient power transmission of QIBR VSA Series four-point contact ball slewing bearings
With their external gear design, the QIBR VSA Series bearings directly connect to gear-driven systems, providing highly efficient power transmission. This reduces the need for extra components like chains or belts, minimizing mechanical losses and maintenance.
2. QIBR VSA Series four-point contact ball slewing bearings can handle multi-directional loads
Engineered for excellence, the QIBR VSA series four-point contact ball slewing bearings easily handle multi-directional loads, ensuring top performance under dynamic and complex conditions. Perfect for demanding applications like cranes and wind turbines, where frequent rotation and oscillation are essential.
3. Tailored solutions of QIBR VSA series four-point contact ball slewing bearings
QIBR offers customization services for the VSA Series, allowing bearings to be designed for specific needs and to meet the unique demands of various industries and applications.
Performance enhancements and solutions of QIBR four-point contact ball slewing bearings VSA series
1. Improvement of bearing material characteristics
QIBR's VSA series four-point contact ball slewing bearings can incorporate cages made of polytetrafluoroethylene (PTFE) or similar advanced materials, which significantly increase rotational speed and prolong the bearing's operational life.
2. Improvement of bearing rotational accuracy
QIBR four-point contact ball slewing bearings VSA series are manufactured with state-of-the-art processing equipment and techniques, including precision heat treatment and advanced machining centers. These processes significantly improve the geometric accuracy of the inner and outer rings, reduce machining errors, and enhance the rotational accuracy and stability of the bearings.
3. Improvement of corrosion resistance
QIBR four-point contact ball slewing bearings VSA series have a surface coating, such as zinc spraying, painting, etc., which can maintain good anti-corrosion properties. Commonly, they will be used in environments requiring corrosion resistance.
4. Customized design
For different occasions, the QIBR four-point contact ball slewing bearings VSA series can be tailored with individual dimensional solutions to meet special applications. This design not only enriches the standard of bearings but also demonstrates our commitment to providing practical guidance for manufacturers to meet the individual needs of users, making them feel catered to and valued.
To meet the growing demands of rigorous applications, the QIBR VSA series four-point contact ball slewing bearings can achieve significant performance improvements through material enhancements, manufacturing precision, and surface corrosion resistance.
Primary application fields for QIBR VSA series four-point contact ball slewing bearings
Hoisting machinery
The QIBR VSA series four-point contact ball slewing bearings can simultaneously support heavy radial and axial loads and overturning moments. They are designed for cranes' rotating parts and provide stable and smooth lifting and rotation performance.
Wind turbines
QIBR four-point contact ball slewing bearings VSA series are used in the slewing connection between a wind turbine's tower and a nacelle, helping to achieve a smooth rotation of the nacelle to align with the wind direction.
Amusement facilities
When safety and stability are paramount, the QIBR VSA series four-point contact ball slewing bearings provide the ideal solution for carousel operations, delivering consistent and reliable performance.
Construction machinery
QIBR four-point contact ball slewing bearings are used in excavators' rotating platforms to provide load support and precise operation.