bearing

what are the various techniques to reduce the motor bearing temperature?

At first choose the correct bearing(i.e size,type,...) as per the application and follwing things should be check on regular besis for reducing temperature..
1.choose good quality of grease .
2.replace the grease at regular interval..
3.check the bearing sound.if there is any bearing play or not?
4.good cooling arrengement must be there..