Oil Furnace Blower Fan Bearing Replacement


Old 01-06-17, 08:59 AM
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Oil Furnace Blower Fan Bearing Replacement

I have a belt driven blower fan on my oil furnace with a bad bearing. I ordered a new 3/4" shaft and the bearing kits from Grainger. Things were looking good until I tried to install the bearings onto the squirrel cage. I can't get the rubber part and the bearings into the hole. I tried everything from axle grease to stretching the rubber and after 4 hours decided to ask for help. HELP... Is there a special tool or method?
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Old 01-08-17, 02:38 PM
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After reading your post I decided to look in one of my HVAC supply house catalogs. They show 8 different types of bearings for a 3/4" shaft. There are 4 different outside diameters (1-13/16", 1-27/32", 2-1/16", & 2-17/32") without knowing the O.D. of your original bearings, someone is guessing.
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