GB/T 290-2017滚动轴承无内圈冲压外圈滚针轴承外形尺寸国家标准
英文:Rolling bearings-Needle roller bearings with drawn cup and without inner ring-Boundary dimensions GB/T 290-2017介绍: 国家...
英文:Rolling bearings-Needle roller bearings with drawn cup and without inner ring-Boundary dimensions GB/T 290-2017介绍: 国家...