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English Translations » 信息处理 » Dipole motors with a power rating above a certain level use

Dipole motors with a power rating above a certain level use open bearings

2010-10-13View Original

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For explosion-proof two-stage motors (2900 revolutions), what power rating and above requires open-type bearings? I have heard that open-type bearings are used for systems of 15KW and above, while closed-type bearings are used for those below 15KW. Right?
Reply #22010-10-13
The design may vary among different motor manufacturers. As far as I know, motors with a power rating of over 30 KW use open bearings that require lubricating grease, while those with a power rating of 30 KW or less employ maintenance-free bearings with dual dust covers.
Reply #32010-10-14
Give it a push; please feel free to speak up.
Reply #42010-10-14
Give it a push; please feel free to speak up.

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Translated at 2026-07-24 23:14:05

Original: https://bbs.hcbbs.com/thread-744452-1-1.html

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