【Task】
It has an object to provide a bearing lubricating apparatus for a machine tool that can be efficiently supplied to the bearing lubricant with a simple structure.
A
Outer race 6b of to urge axially constant pressure preload obtained by adding the preload of the first bearing 6, the ball 6c axial movement grease by using of the outer ring 6b while permitting axial movement of the outer ring 6b with a supply grease supply mechanism 14 to the rolling surface 6d.
.FIELD 2