49棋牌app

SERVICE

SERVICE

bearings fretting



Damage mode Causes Solutions
● denting on the raceway or rolling surfaces due to the metal powder, foreign particles
● roller spaced indents (true Brinelling) caused by incorrect handling or shock load
● foreign particles such as metal powder
● impact load during assembly or transportation
● excessive load
● clean shaft and housing
● improve seal
● filter the lubrication oil
● improve assembly

bearings fretting

● inner ring of double row tapered roller bearing
● brinelling lines on the raceway
● caused by foreign particles

bearings fretting

● inner ring of tapered roller bearing
● numerous big or small  brinelling lines on the whole raceway
● caused by foreign particles

bearings fretting

● roller of tapered roller bearing
● numerous big or small brinelling lines on the whole roller
● caused by foreign particles

KMR logo

+86

yjx@kmr.cn.com

+86 /

Copyright © 2011-2016 Shandong KMR bearing Science & Technology Co.,Ltd.   Technical support:

全民湖南棋牌 开心飞鹰 老棋牌游戏 购买产品免费竞猜 超级快3历史记录