"GROVER" wrote in message
...
On Apr 7, 11:31 am, The Wolf wrote:
Replaced the arbor bearings a few weeks ago and now they are making noise
again. They can't be worn out already, what else could cause the noise?

Its a possibility the replacement bearings might have been defective
( They might have been on the shelf long enough for the lubrication to
fail.)
Joe G

More likely to have installed cheap bearings in the first place or damaged
when inserting them.