I'm old now and don't respond well to logic. This is the way I do it! I
always face the bearing North when light bulb heating to make sure it
alligns with North magnetic pole, allowing for deviation and compensation.


"Tom" wrote in message
. ..
On Tue, 31 Aug 2004 13:37:35 GMT, "Tom Gardner"
wrote:

Why do you want to warm the grease??

Not necessary, I'm sure, but it redistributes the grease and makes sure it
hasn't seperated. The first few minutes in a bearing's life are crutial.

I don't think you're accomplishing anything. You should never heat a
bearing over 148 degrees C. to install (don't think you can get there
with a light bulb) and the grease shouldn't flow until you reach
approx. 170 (varies depending on grease). The grease is instantly
redistributed as soon as the bearing rotates.