Design calculating method of grooved racewaydiameter of angular contact ball boring is introduced, and the related calculating formula is given.
介绍了角接触球轴承沟道直径的设计计算方法，并给出了相关的计算式。
2
For needle roller bearings without inner ring, a suitable internal clearance is achieved by selecting the appropriate tolerance for the racewaydiameter.
对于无内圈滚针轴承，通过为滚道直径选择合适的公差，可得到合适的内部游隙。
3
A simplified raceway model of the shaft furnace was build based on the force balance at the raceway border and by considering the influences of flame temperature and effective racewaydiameter etc.