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Rolling bearing with sealing gasket and annular shield

A technology for rolling bearings and sealing gaskets, applied in the direction of shafts and bearings, ball bearings, bearing components, etc., can solve problems such as contamination of contact areas

Inactive Publication Date: 2015-09-16
AB SKF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, dust or water can still penetrate into the space defined between the shield and the gasket, which may cause contamination of the contact area

Method used

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  • Rolling bearing with sealing gasket and annular shield
  • Rolling bearing with sealing gasket and annular shield
  • Rolling bearing with sealing gasket and annular shield

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] figure 1 A ball bearing 2 is depicted comprising an outer ring 4 and an inner ring 6 defining a chamber 8 between them where a single set of balls 10 is mounted and held in place by a cage 12 . The outer ring 4 rotates rapidly and the inner ring 6 surrounds the central axis X of the ball bearing 2 relative to the outer ring 4 2 rotate.

[0023] Two gaskets 20 and 30 are mounted on the outer ring 4 and extend towards the inner ring 6 . More precisely, the outer ring 4 is provided with two grooves 42 and 44 in which parts of the sealing gaskets 20 and 30 are wedged.

[0024] The sealing gasket 20 consists of a metal bracket 22 and an elastic fitting 24 surrounding the bracket 22 and forming a sealing edge 26 in sliding contact with the outer radial surface 62 of the inner ring 6 .

[0025] Gasket 30 is identical to gasket 20 and also includes a bracket 32 ​​and a fitting 34 defining a sealing edge 36 .

[0026] Two annular shrouds 50 and 70 are mounted on the inner ri...

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PUM

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Abstract

The rolling bearing comprises an outer ring (4), an inner ring (6), a rolling body (10) arranged between the outer ring and the inner ring and a sealing gasket (20). The sealing gasket (20) is installed on the first ring (4) and extends towards the second ring (6), and thus the sealing edge (26) of the sealing gasket is in sliding contact with the second ring. An annular shield (50) is installed on a second ring (62) and extends towards the first ring (4) in a radial direction. The shield (50) is equipped with at least an annular lip (58) which is in sliding contact with the side surface (28) of the sealing gasket (20).

Description

[0001] This application is a divisional application of a Chinese patent application filed on April 2, 2010 with the application number: 201080067020.0 and the title of the invention is: rolling bearing with sealing gasket and annular shield. technical field [0002] The present invention relates to a rolling bearing comprising, inter alia, a gasket mounted on an outer ring or an inner ring of the bearing, which extends toward the inner ring or the outer ring with which it is in sliding contact. Background technique [0003] A rolling bearing consists of an inner ring, an outer ring and some rolling elements installed between these two rings. These rolling bodies can be balls, columns or needles. In the context of the invention, the rolling bearings can be, for example, ball bearings, roller bearings or needle bearings. [0004] EP-A-1316736 discloses a rolling bearing having a sealing gasket extending between the inner and outer rings of the bearing. In this bearing, on ea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C33/78F16J15/32
CPCF16C33/7863F16C19/06
Inventor L.瓦诺克斯T.佩罗廷
Owner AB SKF