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HF 14" Band Saw Arbor Bearing R&R?

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Forum topic by RichmanNot posted 02-24-2017 04:10 AM 268 views 0 times favorited 2 replies Add to Favorites Watch
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RichmanNot

39 posts in 351 days


02-24-2017 04:10 AM

Hey all…

Anyone ever replace the Arbor Bearings on a Band Saw? I have a Harbor Freight (Central Machinery) 14” Vertical Wood Band Saw that has pretty well locked up at the arbor shaft.

I removed all of the component parts including the snap ring on the pulley end of the 3/4 inch arbor shaft. I tried to knock the arbor shaft out of the casting with a block of hardwood and a hammer – But… NOTHING moved!

Guessing I will have to take it to a shop with a PRESS and have the shaft and bearings pressed out?

What say you?

NOTE: It has a ball bearing on each side of the arbor casting They are 6204-Z Sealed bearings, which I can get from Accurate Bearing.

-- "can't died in the poor house" (Because he always went around saying... "I can't")


2 replies so far

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MrUnix

6017 posts in 2039 days


#1 posted 02-24-2017 04:15 AM

You should be able to tap the shaft out either direction… but if it’s frozen up like you say, then it’s probably gonna take some pounding to break it loose (and maybe a little penetrating oil). Those bearings are slip/interference fit – no press needed. The rear bearing (pulley side) should be relatively free to move in and out by hand, so it might be easiest to try knocking the shaft out from front to back (towards pulley side). That bearing will come out with the shaft… the other will need to be knocked out from behind with a pin punch or wood dowel and a hammer.

Cheers,
Brad

PS: I personally would (and did) replace the bearings with sealed ones instead of those shielded ones… the wheel doesn’t spin fast enough to make any difference and the seals will keep more crud out. YMMV.

-- Brad in FL - In Dog I trust... everything else is questionable

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RichmanNot

39 posts in 351 days


#2 posted 02-24-2017 04:28 AM

Brad,
Thanks for the fast reply!

I tried to make the shaft move in either direction and it DID NOT Budge. So for tonight I sprayed some KROIL on the pulley end and going to let it soak in. I will try one more time tomorrow with a block of wood and hammer method. I also have a HEAT GUN and may try to heat up the casting a bit first… If that fails again I am guess I’m going to have to find a shop that has a press….


You should be able to tap the shaft out either direction… but if it s frozen up like you say, then it s probably gonna take some pounding to break it loose (and maybe a little penetrating oil). Those bearings are slip/interference fit – no press needed. The rear bearing (pulley side) should be relatively free to move in and out by hand, so it might be easiest to try knocking the shaft out from front to back (towards pulley side). That bearing will come out with the shaft… the other will need to be knocked out from behind with a pin punch or wood dowel and a hammer.

Cheers,
Brad

PS: I personally would (and did) replace the bearings with sealed ones instead of those shielded ones… the wheel doesn t spin fast enough to make any difference and the seals will keep more crud out. YMMV.

- MrUnix


-- "can't died in the poor house" (Because he always went around saying... "I can't")

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