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Author Topic: Highland Park trim saw 10TS bearing replacement  (Read 164 times)

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Mako My Day

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Highland Park trim saw 10TS bearing replacement
« on: February 08, 2020, 05:27:57 PM »

Hello, I am refurbishing an older Highland Park 10TS trim saw, and am struggling to figure out how the bearings come out.  Can you press them out to either side? Or should they be pulled out from each side?  There is no visible part number, so hoping that I can match them up once removed. Thanks in advance.
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Downwindtracker2

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Re: Highland Park trim saw 10TS bearing replacement
« Reply #1 on: February 08, 2020, 06:38:40 PM »

Lapidary equipment doesn't always follow standard industrial practice. But here goes. the nut on the arbor should pull the shaft and bearing tight into a housing. There should be a step on the shaft to stop it from being pulled through and out of alignment. Or there could be a raised section of the shaft between the two bearings for them to bump against. Either way  a push from the inside would be my start point. That would knock the outside bearing out. The inside one then could be knocked out of the housing They generally use standardized bearing. If you take it into a bearing supplier , they can measure it and since most bearings are metric they should be able off the top of their head give you the # and supply it. You find inch bearings on 1930s stuff, but by the war, they should have been using standardized metric bearings.
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Slabbercabber

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Re: Highland Park trim saw 10TS bearing replacement
« Reply #2 on: February 09, 2020, 04:37:10 AM »

As Downwindtracker2 , the bearings are pressed in.  First you will need to remove the shaft.  After that you will be able to see what part needs to be pushed on.  When you remove the shaft, do not beat on it with a hammer.  use a block of wood between the shaft and hammer.  You can then use a rod to beat the bearing out of the housing.  Use the biggest rod possible and try to keep the bearing race square to the bore as you work.  When you get it out you will find a number on the bearing.  That will cross to other brands.  Cross references are easy to find in line.  I'll bet on inch series, not metric. 
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