What are the advantages and disadvantages of 4-point angular contact bearing and how to design it?

If nothing else, the inner ring can be split, which is a great advantage and convenient to install. SKF QJ series four-point angular contact ball bearings represent the highest level of this series of products in the world today. For example, QJ 2 17 bearing is a widely used SKF bearing product, which is made of Xbite steel patented by SKF. SKF bearing product data center contains detailed performance parameters and application characteristics of SKF QJ 2 17 N2MA * bearing products. You can have a look at: