With the development of aeromotor technology, more strict speed performance of ball bearing is required.

随着航空发动机技术的发展，对滚珠轴承的速度特性要求也越来越高。

Deep groove ball bearing is a bearing.

深沟球轴承是轴承的一种。

Self-aligning ball bearing is a bearing.

调心球轴承是轴承的一种。

A ball bearing had bounced off the submarine's hull.

潜艇船身上崩掉了一个滚珠轴承。

Deep groove ball bearing is a kind of crane accessories.

深沟球轴承是起重机的一种配件。