福利日韩人妻看片|国产欧美视频久久|91大片日本婷婷|男人狠狠操的视频|六月丁香五月婷婷|精品视频在亚洲一区|中文字幕第12页|天堂亚洲精品国产|中文字幕乱伦AV|亚洲成人激情不卡

Hotline:

0510-85410121

Hot keywords:
Contact us

13806176305

Tel:0510-85410121

Fax:0510-85071022

Email: lpx3030@126.com

Add:98 Jinchengwan Road, Taihu Street, Wuxi City, Jiangsu Province, China

Disassembly method of needle roller bearing
Time:2021-03-14      Source:Wuxi Daqiao Bearing Machinery Co., Ltd
Bearings are coated with appropriate amount of antirust oil and packed with antirust paper when they leave the factory. As long as the package is not damaged, the quality of bearings will be guaranteed. But for long-term storage, when the humidity is lower than 65% and the temperature is lower than 80 ℃, the ring roller should be used