[jakeyp]

what is the advantage of having the bearings in a gt2860 upgraded to steel cage ball bearings?

 

[bloke83]

turbo spindle will spin more freely. Making it spool quicker.

 

[SpiderM]

turbo spindle will spin more freely. Making it spool quicker.

According to this site it is the opposite. Due to it probably being lighter, I can believe it......

How ball bearing is made - manufacture, making, used, parts, dimensions, industry, machine, Raw Materials, The Manufacturing Process of ball bearing, Quality Control

 

[MikeH]

the plastic ones don't last as long.