SD.20.B

Features and advantages of QIBR four-point contact ball slewing bearings SD.20.B series 

QIBR four-point contact ball slewing bearings SD.20.B series have several significant features and advantages, which play a key role in various fields, mainly in the following aspects:

1. QIBR four-point contact ball slewing ring bearings SD.20.B series with low friction

QIBR four-point contact ball slewing bearings SD.20.B series help to improve mechanical efficiency and reduce energy consumption due to 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.20.B series have good stability and long life

Because the SD.20.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. QIBR four-point contact ball slewing ring bearings SD.20.B series customization service

QIBR four-point contact ball slewing bearings SD.20.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.20.B series

1. Improvement of bearing material properties

The QIBR four-point contact ball slewing ring bearings SD.20.B series are surface zinc plated and treated with other methods to ensure superior corrosion resistance and an extended service life.

2. Improvement of bearing rotational accuracy

QIBR four-point contact ball slewing bearings SD.20.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 improve the rotational accuracy and stability of the bearings.

3. Reduce bearing maintenance and replacement needs

QIBR four-point contact ball slewing bearings SD.20.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. Then, the service life is extended, and the maintenance and replacement costs decline.

4. Customized design

For different circumstances, the QIBR four-point contact ball slewing bearings SD.20.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, QIBR four-point contact ball slewing ring bearings SD.20.B series performance can be significantly improved to meet the increasingly demanding application needs.

Main application fields of QIBR four-point contact ball slewing bearings SD.20.B series

Machine tool

The QIBR four-point contact ball slewing bearings SD.20.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.20.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.20.B are used in carousels to ensure their safe and stable operation.

Radar systems

The QIBR four-point contact ball slewing bearings series SD.20.B are utilized in the rotating component of radar antennas to guarantee precise monitoring and tracking.