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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
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) | Внутренний диаметр наружного кольца (U) | Наружный диаметр внутреннего кольца (C) | Вес | Тип шестерни |
---|---|---|---|---|---|---|---|---|
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SD.855.25.00.B | 655 mm | 855 mm | 756 mm | 756 mm | 90 kg | No Gear | |
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SD.955.25.00.B | 755 mm | 955 mm | 856 mm | 856 mm | 101 kg | No Gear | |
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SD.1055.25.00.B | 855 mm | 1055 mm | 956 mm | 956 mm | 115 kg | No Gear | |
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SD.1155.25.00.B | 955 mm | 1155 mm | 1056 mm | 1056 mm | 128 kg | No Gear |
Features and advantages of QIBR four-point contact ball slewing bearings SD.25.B series
QIBR four-point contact ball slewing bearings SD.25.B series have many significant features and advantages, which play an important role in various fields, mainly in the following aspects:
1. QIBR four-point contact ball slewing ring bearings SD.25.B series with low friction
QIBR four-point contact ball slewing bearings SD.25.B series help to improve mechanical efficiency and reduce energy consumption because of the small contact area and low friction of four contact points between the raceway and the steel ball.
2. QIBR four-point contact ball slewing bearings SD.25.B series have good stability and long life
Because the SD.25.B series bearings' load is evenly distributed, the working stability is higher, while vibration and noise are reduced, improving the stability and reliability of the bearing system's operation. The optimized contact angle and load distribution minimize internal wear, ensuring a longer service life.
3. Customized service of QIBR four-point contact ball slewing ring bearings SD.25.B series
QIBR four-point contact ball slewing bearings SD.25.B series can provide customized service and design the bearings according to the specific requirements, which can meet the demands of different industries and working conditions.
Performance improvements and solutions of QIBR four-point contact ball slewing bearings SD.25.B series
1. Improvement of bearing material properties
The QIBR four-point contact ball slewing ring bearings SD.25.B series are surface zinc plated and treated with other methods to ensure outstanding corrosion resistance and an extended service life.
2. Improvement of bearing rotational accuracy
QIBR four-point contact ball slewing bearings SD.25.B 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 upgrade the rotational accuracy and stability of the bearings.
3. Reduce bearing maintenance and replacement needs
QIBR four-point contact ball slewing bearings SD.25.B series are designed with seals and lubrication holes; the seals can prevent contaminants from entering the bearings and reduce grease leakage; the lubrication holes are convenient for grease filling. This will extend life and reduce the cost of maintenance and replacement.
4. Customized design
For different circumstances, the QIBR four-point contact ball slewing bearings SD.25.B 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.
Overall, by optimizing materials, manufacturing accuracy, designing individually, and other measures, the performance of QIBR four-point contact ball slewing ring bearings SD.25.B series can be significantly improved to meet the increasingly demanding application needs.
Main application fields of QIBR four-point contact ball slewing bearings SD.25.B series
Machine tool
The QIBR four-point contact ball slewing bearings SD.25.B series can bear significant radial and axial loads and overturning moments, ensuring stable support and high-speed performance in CNC machine spindles and rotary tables.
Wind turbines
QIBR four-point contact ball slewing bearings SD.25.B series are used in the slewing connection between the tower and the nacelle of wind turbines, helping to achieve the smooth rotation of the nacelle to align with the wind direction.
Amusement facilities
QIBR four-point contact ball slewing bearings series SD.25.B are used in carousels to ensure their safe and stable operation.
Radar systems
The QIBR four-point contact ball slewing bearings series SD.25.B are utilized in the rotating component of radar antennas to guarantee precise monitoring and tracking.