Case fan question

[dmb51599]

What is the difference between case fans when they say the have a "ball" in them?? I ordered a Thermaltake 120mm fan for the rear and it says it is a 1 ball. I am guessing a ball bearing???

 

[mammikoura]

What is the difference between case fans when they say the have a "ball" in them?? I ordered a Thermaltake 120mm fan for the rear and it says it is a 1 ball. I am guessing a ball bearing???

My gues goes for ball bearing too.

 

[dmb51599]

Anyone?

 

[ericf19931]

i guess its ball bearing

 

[ownage]

Ball bearings use balls in them.