Natchez in the U.S. will ship to Canada. Get yourself a new RCBS Chargemaster usually half of what you'd pay in Canada. Awesome machine.
Or, you could take 8 minutes, remove the two Phillips screws, and clean the agate bearings.
Use an alcohol pad, clean all the yuck out, and clean the pivots on the beam, too.
Do not lubricate.
Reassemble and see if that helps.
Then decide if you need to spend $300 to replace good working scale.
Although that chargemaster does look really nice...