Applications of angular contact ball bearings

According to different working conditions, angular contact ball bearings can have a variety of matching methods to obtain different radial and axial load capacity, and meet the requirements of high speed and radial and axial stiffness.

Angular contact ball bearings used in precision machine tools are divided into two types, one is used in the spindle of machine tools, the other is used in the high-speed grinding spindle and electric spindle of grinding machines.According to the different uses, their structure and performance are also different.

The spindle angular contact ball bearings used in machine tools require high rotational accuracy, sufficient stiffness and load capacity, small space, etc. The commonly used are 70C, 70AC, 70b, 718B, 718AC, 719AC, 719B, 72B, 72AC, 73B and 73AC series.The 70 series is designed to withstand lighter loads, while the 72 series is designed to withstand heavier loads. C denotes a contact angle of 15 degrees, AC denotes a contact angle of 25 degrees, and B denotes the contact angle of 40 degrees.

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