The wheel pair includes the wheels arranged at the two ends of the hollow axle box; and the hollow axle box and the axle box body are connected by adopting a seal type taper ball bearing.
轮对包括设在空心车轴两端的车轮，空心车轴与轴箱体采用密封式圆锥滚珠轴承进行连接。
A semi-annular bearing with an opening is used to support both ends of inside engaged gear or for fixed-axle gear box.
留有开口的半环形轴承，用于内啮合齿轮双端支承及定轴齿轮箱。
A semi-annular bearing with an opening is used to support both ends of inside engaged gear or for fixed-axle gear box.
留有开口的半环形轴承，用于内啮合齿轮双端支承及定轴齿轮箱。
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