在这种情况下接触球只在某个时候，内圈和外圈，作为一个受压单列角接触球轴承。
Under such conditions the balls contact the inner and outer rings only at one point, as in an axially loaded single-row angular contact ball bearing.
双半内圈四点接触球轴承结构复杂、设计周期长、加工难度大。
Single row angular contact ball bearing with two piece inner ring has complex construction, long design cycle, great difficulty in processing.
内嵌的球面轴承除了球面型的外圈和超长的内圈外，其他的设计结构与深沟球轴承很相似。
Insert ball bearings are designed in almost the same way as deep groove ball bearings, except the outer ring is spherical and with wide inner rings.
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