Originally posted by wms
Hu,
The ceramic bearing will run way cooler as you found out. The two drawbacks to them is that they are lot's more money and the will not take as much abuse.
You can reduce the amount of heat by the type of lube that is used in the bearing.
The best stuff I've found for "packed" bearings is Kluber Isoflex NBU-15. It is a white lube, that runs fairly cool, if you use the proper amount. As with all greases to much is not good. This is also the lube that Barden uses in their class 7 bearings. |
Whats this "abuse" you refer to? We're way careful over here 
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(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |