NKE的通用设计(后缀ul)，主轴轴承具有轻预紧安装时成对或成套面对面或背靠背。

NKE spindle bearings of universal design (suffix UL) feature a light preload when mounted in pairs or sets either face to face or back to back.

youdao

NKE的通用设计(后缀ul)，主轴轴承具有轻预紧安装时成对或成套面对面或背靠背。

NKE spindle bearings of universal design (suffix UL) feature a light preload when mounted in pairs or sets either face to face or back to back.

youdao