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Do it yourself bearing cup press

#1 2011-09-30 7:02pm

cmb
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Do it yourself bearing cup press

I will be the first to say that I'm not the first one to do this.  I do know there are a lot of new members on here who have asked about a tool list.  If anyone is going to start building bikes, this is a must have.

The below list I bought at Home Depot.

-One  12" long fully threaded 5/8 bolt. 
-Three 5/8 nuts
-Two 5/8 washers.


I used some scrap pieces of wood and painter's tape that I already had.


The parts from Home Depot should cost you around $4.00. Don't spend the $60 to buy the Park Brand bearing cup tool when it is so easy to make your own.  You will also need two wooden blocks cut from a 2X4.  You could skip this part and just buy two more washers, but I like the blocks for several reasons.  First, they take up space so you don't have to screw the nut down the longer distance on the bolt if they weren't there.  Second, the bearing cup will sink into the face a little bit and won't slide around.  Because the wood is softer, it shouldn't scratch up the bearing cup faces.  If you have painted bearing cups, you wouldn't want to put a washer directly on the newly painted bearing cup. 

In order to make the blocks, you will need a drill, a saw, a pencil, a short straight edge, 1/4 drill bit, a 5/8 wood spade bit, and some painter's tape.  I cut the lengths to 3 1/2" to give it a square face.  Then, I marked two diagonal lines to form an "X" to establish a center point.  I drilled a pilot hole with the 1/4 bit all the way through and then the 5/8's hole.  I then wrapped one face of each block and the four sides with the painters tape.  Is this overkill, yes.  I just don't like taking the chance on scratching things.  Here are some pictures to show what the bearing press will look like.  There are also some that I took as I was putting on the headset cups to my Redline PL-20 frame.

http://i781.photobucket.com/albums/yy97/06vfr/BearingPressparts.jpg

http://i781.photobucket.com/albums/yy97/06vfr/BearingPressblocks.jpg

http://i781.photobucket.com/albums/yy97/06vfr/Bearingpressassembly.jpg

http://i781.photobucket.com/albums/yy97/06vfr/BearingPressTopview.jpg

http://i781.photobucket.com/albums/yy97/06vfr/BearingPresswrenches.jpg

http://i781.photobucket.com/albums/yy97/06vfr/BearingPresssideshot.jpg

As you can tell from the pictures, on the bottom, I used two nuts together, basically creating a locking nut.  I only tighten from one side, the single nut side.  Do one cup at a time.  Make sure the bolt is somewhat centered in the bracket and slowly start to turn.  When I did this, if things got off centered or if the bearing cup wasn't going in uneven, I would just tap block over the side that was the highest.  That would quickly even out the cup.  If you lightly greased the cups, they should just slide right in.  It only takes me a couple of minutes to put in bearing cups when I use this press.

Last edited by cmb (2011-09-30 7:03pm)


Never trust a man that doesn't know what beer tastes like or wears more than two rings.

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#2 2011-09-30 7:05pm

63v-dub
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Re: Do it yourself bearing cup press

nice smile


Addiction? what Addiction? I'm not Addicted! Damn i keep buying  parts.             
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#3 2011-10-01 11:56am

Hrkhotrods
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Re: Do it yourself bearing cup press

Thanks! cool


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#4 2011-10-01 12:42pm

1966bmx
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Re: Do it yourself bearing cup press

and do not forget the grease on the cups and head tube ! i like the wood blocks . i made cone shaped pieces to fit inside the cup like the park tool has on a lathe . but the wood looks like a great idea ........


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#5 2011-10-01 12:43pm

1966bmx
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Re: Do it yourself bearing cup press

this will also work for bottom brackets too ....


I used to have a handle on life ...... but it broke ...



WTB Painted Cook Bros 26" 3 bar cruiser frame with American BB with original paint and decals  .

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#6 2011-10-01 8:31pm

cmb
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Re: Do it yourself bearing cup press

1966bmx wrote:

this will also work for bottom brackets too ....

Yes, It works extremely well with bottom brackets.  When I did the post, I kept thinking, "I'm forgetting to mention something."  It was  bottom brackets.  Thanks for bringing that up.

Last edited by cmb (2011-10-01 8:50pm)


Never trust a man that doesn't know what beer tastes like or wears more than two rings.

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#7 2011-10-01 11:05pm

Johnnny
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Re: Do it yourself bearing cup press

Sweet! I already made my own BB press with washers for sealed bearings... now I just need some wood to press into the cups lol


Born again. Mom has a strong uterus.

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#8 2011-10-01 11:29pm

jakegr4y
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Re: Do it yourself bearing cup press

smile

how do we make it?

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#9 2011-10-01 11:32pm

Johnnny
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Re: Do it yourself bearing cup press

jakegr4y wrote:

smile

how do we make it?

robk edit--- tongue

GTFO with your spamtard links.


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#10 2011-12-01 7:11am

83dback
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Re: Do it yourself bearing cup press

i suppose since the wood is soft that you can use this for mid bearings also??


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#11 2011-12-01 8:29am

EZ SPEED
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Re: Do it yourself bearing cup press

great idea thanks for sharing:D


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#12 2011-12-01 8:43am

72ss454
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Re: Do it yourself bearing cup press

So, using a hammer and forcing them in is bad?lol

Great simple solution for those of us on a budget.  Thank you for taking the time to post this.


I keep buying and selling, so I guess I wasn't happy with the four I had left.

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#13 2011-12-01 9:18am

Johnnny
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Re: Do it yourself bearing cup press

72ss454 wrote:

So, using a hammer and forcing them in is bad?lol

Great simple solution for those of us on a budget.  Thank you for taking the time to post this.

That only works on Hutches! yikes lol


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#14 2011-12-01 11:11am

83dback
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Re: Do it yourself bearing cup press

i just made mine today. i had the wood and painters tape so this cost me less than ten dollars and i used grade 8 bolts and washers. me likey. big_smile
http://i1113.photobucket.com/albums/k512/83dback/DSC00239.jpg

Last edited by 83dback (2011-12-01 11:12am)


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#15 2011-12-07 11:06am

Skid
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Re: Do it yourself bearing cup press

would a rear bmx axle work just as well?

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#16 2011-12-07 11:23am

snotty1
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Re: Do it yourself bearing cup press

maybe one cup at a time on headset  and use a 14mm one


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#17 2011-12-07 1:02pm

cmb
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Re: Do it yourself bearing cup press

Skid wrote:

would a rear bmx axle work just as well?

Not with the wood blocks.  The threaded rod, nuts, and washers are so cheap anyways.  To me, it would be worth more to have a tool that you can use with many applications than saving the five dollars.


Never trust a man that doesn't know what beer tastes like or wears more than two rings.

I usually edit for my grammar mistakes.

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#18 2011-12-07 11:59pm

teabeats
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Re: Do it yourself bearing cup press

Someone donated something like this to my program(without the blocks) and I never new what it was. Now I do thanks big_smile I will post a pic... with all the bikes I work on this will come in handy. big_smile


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#19 2011-12-08 12:39pm

Frenchie Skyway
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Re: Do it yourself bearing cup press

So simple and genius idea !
smile

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#20 2011-12-08 12:50pm

cmb
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Re: Do it yourself bearing cup press

83dback wrote:

i just made mine today. i had the wood and painters tape so this cost me less than ten dollars and i used grade 8 bolts and washers. me likey. big_smile
http://i1113.photobucket.com/albums/k51 … C00239.jpg

Very nice.  Have you used it yet?  If so, what do think?



Frenchie Skyway wrote:

So simple and genius idea !
smile

I wish I could take credit, but I can't.  I just added wood blocks to the simple genius idea.

Last edited by cmb (2011-12-08 12:53pm)


Never trust a man that doesn't know what beer tastes like or wears more than two rings.

I usually edit for my grammar mistakes.

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#21 2011-12-08 1:41pm

83dback
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Re: Do it yourself bearing cup press

i did not use it yet. i am hoping santa gives me a reason to. big_smile


Today is yesterday's tomorrow.  D€4L

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#22 2011-12-08 5:03pm

Skid
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Re: Do it yourself bearing cup press

cmb wrote:

Not with the wood blocks.  The threaded rod, nuts, and washers are so cheap anyways.  To me, it would be worth more to have a tool that you can use with many applications than saving the five dollars.

Cheers

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#23 2011-12-30 10:08am

cannadian freestyler
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Re: Do it yourself bearing cup press

perfect idea for all of us , wicked sharing ,that s what this site is all about  thanks a mill.coolcool

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#24 2011-12-30 7:19pm

79mongoose
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Re: Do it yourself bearing cup press

i just use a chunk of old oak to hit them in. doesnt scratch, dent or marr anything and i didn't spend a penny!


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#25 2011-12-30 7:28pm

johnng23604
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Re: Do it yourself bearing cup press

79mongoose wrote:

i just use a chunk of old oak to hit them in. doesnt scratch, dent or marr anything and i didn't spend a penny!

Yelp, yelp that's how we roll! tongue


I'm looking for the following frames, frame & forks or completes by BMX products:
MotoTrac (nickle or chrome), Racer-X or a Super-X (with the double gussets).
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I'm also johnng23604 at "Retro-goose", "VintageBMX" & "RADbmx"

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