
Image may differ from product. See technical specification for details.
Standard
GB,ASTM/AISI,ГОСТ,BS,JIS,NF,DIN/VDEh,DIN/VDEh
Inner diameter
120mm-8000mm
Outer diameter
280mm-8000mm
Weight
20kg-8000kg
Structures
Outer Ring, Inner Ring, Spacer, Rolling element, Seal
Brand
QIBR/OEM/Neutral
Package
Standard Export Package
Material
42CrMo, 50Mn, or Stainless Steel
Applications
Hoisting machinery, construction machinery, material handling machinery, mining machinery, metallurgical machinery, medical instruments,ships and warships, radar,wind turbine

NO. | Product | Product Number | External diameter on inner ring (C) | Gear type | Inner diameter (Di) | Internal diameter on outer ring (U) | Outer diameter (Da) | Weight |
---|---|---|---|---|---|---|---|---|
1 |
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I.505.20.00.C | 415.5 mm | Internal Gear | 326.5 mm | 453 mm | 518 mm | 27 kg |
2 |
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I.650.20.00.C | 545.5 mm | Internal Gear | 445.2 mm | 583 mm | 648 mm | 37.5 kg |
3 |
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I.750.20.00.C | 645.5 mm | Internal Gear | 547.2 mm | 683 mm | 748 mm | 44.5 kg |
4 |
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I.850.20.00.C | 745.5 mm | Internal Gear | 649.2 mm | 783 mm | 848 mm | 51 kg |
5 |
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I.950.20.00.C | 845.5 mm | Internal Gear | 737.6 mm | 883 mm | 948 mm | 61 kg |
6 |
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I.1050.20.00.C | 945.5 mm | Internal Gear | 841.6 mm | 983 mm | 1048 mm | 65 kg |
7 |
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I.1200.20.00.C | 1095.5 mm | Internal Gear | 985.6 mm | 1133 mm | 1198 mm | 80 kg |
Features and advantages of QIBR four-point contact ball slewing bearings I.20.C series
QIBR four-point contact ball slewing bearings I.20.C series has 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 I.20.C series have highly efficient transmission capacity
The external gear designation of QIBR four-point contact ball slewing bearings I.20.C series allows a direct connection to a gear drive system for efficient power transmission, which reduces the need for additional drive components such as chains or belts, reducing mechanical wear and maintenance requirements.
2. QIBR four-point contact ball slewing bearings I.20.C series reduce the whole weight of the equipment
The lightweight design of the QIBR four-point contact ball slewing bearings VLU series helps to reduce the weight of the entire equipment, which is easy to move and install. The lighter bearing can decrease the load on the drive system, thereby declining energy consumption and improving system efficiency, especially in high-speed or frequent start-up applications.
3. QIBR four-point contact ball slewing ring bearings I.20.C series customization service
QIBR four-point contact ball slewing bearings I.20.C 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 enhancements and solutions of QIBR four-point contact ball slewing bearings I.20.C series
1. Improvement of bearing material properties
QIBR four-point contact ball slewing bearings I.20.C series can choose stainless steel and other materials to improve the bearings' corrosion resistance and service life.
2. Improvement of bearing rotational accuracy
QIBR four-point contact ball slewing bearings I.20.C series are manufactured with high-tech manufacturing 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. Reduce bearing maintenance and replacement requirements
QIBR four-point contact ball slewing bearings I.20.C 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 occasions, the QIBR four-point contact ball slewing bearings I.20.C 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.
In conclusion, by optimizing materials, manufacturing accuracy, designing individually, and other measures, the performance of QIBR four-point contact ball slewing ring bearings I.20.C series can be significantly improved to meet the increasingly demanding application requirements.
Main application fields of QIBR four-point contact ball slewing bearings I.20.C series
Medical equipment
QIBR four-point contact ball slewing bearings I.20.C series provide stable support in medical imaging equipment such as CT scanners to ensure image quality.
Wind power
QIBR four-point contact ball slewing bearings I.20.C series are used in the slewing connection between the tower and the nacelle of wind turbines, helping to realize the smooth rotation of the nacelle to align with the wind direction.
Amusement facilities
QIBR four-point contact ball slewing bearings series I.20.C are used in carousels to ensure their safe and stable operation.
Transportation
QIBR four-point contact ball slewing bearings I.20.C series ensure smooth operation in the steering and support systems of railroad vehicles, ships, and other vehicles.