In addition, the bearings benefit from improved kinematics, optimised surfaces and are made from higher performance materials.
此外，轴承受益于改善运动学，优化表面是由更高的性能的材料。
These materials are suitable for fabrication of the cage of rolling contact bearings.
这些材料适宜于制造滚动轴承的保持架。
It was proved by bench and field test that these materials satisfactorily met design and application requirements for the third category of bearings.
经轴承台架和现场试验，表明该材料完全满足三类轴承设计和使用要求。
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