航空航天。飞机机架用重负荷扩展内圈自位双列密封球面滚柱轴承。英尺系列。

Aerospace - Airframe spherical roller bearings, double-row, self-aligning, sealed, extended inner ring, heavy duty - Inch series.

youdao

航空航天。飞机机架用中等负荷扩展内圈单列自位密封球面滚柱轴承。英尺系列。

Aerospace - Airframe spherical roller bearings, single-row, self-aligning, sealed, extended inner ring, intermediate duty - Inch series.

youdao