Grease lubricated angular contact ball bearing of

摘要

angular contact ball bearing is provided with a ball which is arranged between the inner ring (2) and an outer ring (3), the outer ring (3) has a lubricating grease supply passage (7), opening of the outer surface of the lubricating grease supply passage (7) is arranged outside the outer surface of the outer ring (3) and, inside the opening of the lubricating grease supply passage (7), inner ring (2) and in the axial direction of the outer ring (3), it is shifted from the circle represented by the central point of the ball (4) is arranged on the inner peripheral surface of the outer ring (3), lubricating grease supply passage (7), angular It is arranged to be inclined with respect to a radial plane of the ball bearing.