
KD 210-type 21
The most commonly used material and selection reference for QIBR four-point contact ball slewing bearings KD 210 series in commercial applications:
The QIBR four-point contact ball turntable bearings KD 210 series includes no teeth, external teeth, and internal teeth, and all with flange structure. The presence of the flange greatly simplifies the installation process, as it has mounting holes that allow direct installation with the support structure. The flange design offers strong adaptability and can be customized according to different usage requirements.
The QIBR four-point contact ball turntable bearings KD 210 series typically use 42CrMo and 50Mn materials, which have excellent strength and wear resistance, making them suitable for high-load application environments.
For applications with lighter loads, the QIBR four-point contact ball turntable bearings KD 210 series is made of 45 steel material .
The selection of materials for the KD 210 series depends on specific application requirements, including load, strength, environmental conditions, etc., to ensure the performance and life of the bearing during the process of usage. Considering these above factors comprehensively , you can effectively choose the bearing which is suitable for the application needs.

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