国产亚洲精aa在线看丨国产无遮挡a片又黄又爽网站丨日韩福利片午夜免费观着丨欧美成人免费一区二区三区视频丨日本中文亚洲精品

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