why both Cage and spacer are used in slewing bearing? 1

[hibaby53]

Dear folks,

I have question about slewing ball bearing.that, why some slewing bearing have cage and some have spcers? I guess that the purpose is same for both to separate the balls.
then why?

Thank you for reply

 

[dinjin]

Normally spacers are used for low speed applications and where the center of rotation is about the vertical axis.
High speed and horizontal axis normally require cages and also for high temperature applications.

 

[hibaby53]

Hello diljin,

thank you for kind and prompt reply