<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In the article some forms of damage to raceway of slewing bearings for single-row ball bearing slewing ring with four-point contact and their causes were shown. Changes of the contact angle and its influence on the geometry for contact zone of the rolling elements raceway were analyzed. An identification of changes for contact angle of individual balls for different parameters of the contact was received. It was showed that contact angles of some rolling elements were increasing. It can cause damage to the raceway by spalling or rolling out of edge of the bearing ring. Ways of avoiding too early damage to the raceway at the stage of the design and the selection of coronary bearings were suggested.</p>
</abstract>

In the article some forms of damage to raceway of slewing bearings for single-row ball bearing slewing ring with four-point contact and their causes were shown. Changes of the contact angle and its influence on the geometry for contact zone of the rolling elements raceway were analyzed. An identification of changes for contact angle of individual balls for different parameters of the contact was received. It was showed that contact angles of some rolling elements were increasing. It can cause damage to the raceway by spalling or rolling out of edge of the bearing ring. Ways of avoiding too early damage to the raceway at the stage of the design and the selection of coronary bearings were suggested.

Damage Risk of the Raceway Edge Arise in Four-Point Slewing Bearing

System Safety: Human - Technical Facility - Environment

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Damage Risk of the Raceway Edge Arise in Four-Point Slewing Bearing"}

In the article some forms of damage to raceway of slewing bearings for single-row ball bearing slewing ring with four-point contact and their causes were...

Damage Risk of the Raceway Edge Arise in Four-Point Slewing Bearing

Published Online: Mar 28, 2019

Page range: 632 - 638

Received: Nov 19, 2018

Accepted: Jan 28, 2019

DOI: https://doi.org/10.2478/czoto-2019-0080

Keywords
slewing bearing, contact angle, contact zone

© 2019 Marek Krynke et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Damage Risk of the Raceway Edge Arise in Four-Point Slewing Bearing

Published Online: Mar 28, 2019

Page range: 632 - 638

Received: Nov 19, 2018

Accepted: Jan 28, 2019

DOI: https://doi.org/10.2478/czoto-2019-0080

Keywordsslewing bearing, contact angle, contact zone

© 2019 Marek Krynke et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
slewing bearing, contact angle, contact zone