润滑孔 grease hole
[机] lubrication hole
- 外圈带环形槽和三个润滑孔,有聚合物带覆盖。
Annular groove and three lubrication holes in the outer ring; covered with a polymer band. - 这些组件在外圈上有环形槽和润滑孔,确保有效润滑。
They have an annular groove and lubrication hole in the outer ring to ensure efficient lubrication. - 为了确保有效润滑,滚针轴承的外圈上有环形槽和润滑孔。
To ensure efficient lubrication, the needle roller bearing has an annular groove and lubrication hole in the outer ring.