I know nothing about bearings.
However, I am replacing some in my elliptical trainer machine to get
rid of a noise. (This is the manufacturer Precor's prescribed
The bearings I need to replace have the number 6203RS stamped in the
My question: is this a standard size? If I order thus number bearing
anywhere, will it have been machined to the same tolerances? Will it be
the same bearing?
I assume the number is like how tire sizes are designated. Same number,