A rolling bearing includes an inner ring, an outer ring, a plurality of rolling elements housed between the rings, and a sealing arrangement including a first shield rigidly connected to the inner ring, a second shield rigidly connected to the outer ring and constrained for rotation with the outer ring, a first sealing element, and a second sealing element, the first sealing element is rigidly connected to the second shield and is provided with a sealing lip in contact with the first shield, the second sealing element is rigidly connected to the first shield and faces a radially outer section of the first sealing element, and a channel is defined between the second sealing element and the radially outer section of the first sealing element; the channel is inclined at an acute angle with respect to a common axis of symmetry of the shield and is defined between a tapered smooth lateral surface of the first sealing element and a lateral surface of the second sealing element, the lateral surface of the second sealing element being arranged opposite and parallel to the tapered smooth lateral surface of the first sealing element and being provided with a plurality of steps.
一种滚动轴承包括内圈、外圈、容纳在圈之间的多个滚动元件及密封装置,密封装置包括第一遮蔽件、第二遮蔽件、第一密封元件和第二密封元件,第一遮蔽件刚性连接到内圈,第二遮蔽件刚性连接到外圈并被约束为与外圈一起旋转,第一密封元件刚性地连接到第二遮蔽件并设置有与第一遮蔽件接触的密封唇,第二密封元件刚性地连接到第一遮蔽件并面对第一密封元件的径向外部区段,第二密封元件与第一密封元件的径向外部区段之间限定通道,通道相对于遮蔽件的公共对称轴线倾斜一定锐角且被界定在第一密封元件的锥形光滑侧向表面与第二密封元件的侧向表面之间,第二密封元件的侧向表面与第一密封元件的锥形光滑侧向表面相对且平行地配置并且设置有多个台阶。
Low-friction sealing device and associated rolling bearing
低摩擦密封装置和相关联的滚动轴承
2024-02-23
Patent
Electronic Resource
Chinese
SEALING DEVICE OF ROLLING BEARING AND SEALED ROLLING BEARING
European Patent Office | 2022
|SEALING DEVICE AND ROLLING BEARING UNIT WITH SEALING DEVICE
European Patent Office | 2017
|Bearing rolling including a low friction sealing device, in particular for a hub bearing unit
European Patent Office | 2018
|BEARING ROLLING INCLUDING A LOW FRICTION SEALING DEVICE, IN PARTICULAR FOR A HUB BEARING UNIT
European Patent Office | 2016
|