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Temperature range of bearing seals
Release date:2023-07-05

Temperature range of bearing seals

 

The protection methods for enclosed bearings are divided into metal dust covers and rubber dust covers.

 

Metal dust cover: Temperature does not require special consideration.

 

Rubber dust cover: The commonly used sealed bearing seals are NBR and FKN.

 

The working range of NBR is -40 ℃ to -100 ℃, while operating at 120 ℃ for a short period of time.

 

The working range of FKM is -30 ℃ -200 ℃, while operating at 230 ℃ for a short period of time.


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