Bearings

For greater durability, Ventisilva fans and exhaustors are equipped with ball bearings provided with double armour plating of the ZZ type.
On the micro-fan and micro-motor lines the bearing application is made by ball bearing or sinterized bushings according to the client’s option. The chart below explains both types of bearings:

  Advantagens Disadvantages
Ball Bearings Higher durability (20.000 working hours) lower technology needed for assembly Higher cost
More noise
Bushings Low cost
Low noise
Reduced life expectancy
High technlogy requested for assembly

 

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Metalúrgica Ventisilva Ltda
Rua Tobias Barreto, 615 - Mooca - CEP 03168-902 - São Paulo - SP
Fone +55 11 2602-2400 - FAX +55 11 2602-2443