Swing arm bearings too big

Last post 07-09-2007 7:23 PM by Warrior_Dave. 18 replies.

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03-27-2007 8:25 PM

VaWrrior
Joined on 06-27-2006
Haymarket VA USA
Posts 91

Swing arm bearings too big

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Got a new arm from Cycle Image, with bearings, and I can't get the later to fit. I saw one post say put them in freezer, which is where they are as we speak. Any other methods?

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03-27-2007 8:29 PM In reply to

ehacker01
Joined on 06-17-2003
Lenexa KS USA
Posts 1,539

Re: Swing arm bearings too big

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a press works

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03-27-2007 8:30 PM In reply to

Warrior_Dave
Joined on 11-11-2003
Meridian MS USA
Posts 2,848

Re: Swing arm bearings too big

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Youre going to have to have someone press them in for you. Or you need a press.

Dave

03-27-2007 8:31 PM In reply to

Mike Panczyszyn
Joined on 01-16-2004
Laprairie Canada
Posts 1,697

Re: Swing arm bearings too big

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Take them to a trust worthy shop.........somethings are better to let the experts do, they would have a press. I screwed up twice in the past, that was enough for me.

"Remember that 4 wheels move the body but 2 wheels move the soul"

03-27-2007 8:33 PM In reply to

kmdc
Joined on 03-06-2005
NJ USA
Posts 1,034

Re: Swing arm bearings too big

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Make sure where the bearings seat in the swingarm is clean and free of chroming crude. Yes freeze the bearings and you can also carefully heat the swing arm(hair dryer). Spray a little WD40 into the swingarm. Align the bearing straight. Used a socket just small enough to slide into the swingarm and place it squarely over the bearing and gently tap it in until the bearing seats.
PM me if you have any questions.

03-27-2007 10:28 PM In reply to

RF_WIZ
Joined on 12-08-2005
Staten Island NY USA
Posts 884

Re: Swing arm bearings too big

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quote:
Originally posted by kmdc

Make sure where the bearings seat in the swingarm is clean and free of chroming crude. Yes freeze the bearings and you can also carefully heat the swing arm(hair dryer). Spray a little WD40 into the swingarm. Align the bearing straight. Used a socket just small enough to slide into the swingarm and place it squarely over the bearing and gently tap it in until the bearing seats.
PM me if you have any questions.

Man, how long would it take to heat the swingarm with a hair dryer hot enough to expand the metal? You would probably need something a little hotter than that. I don't know about CI chrome, but I have heated my RC caps with a propane torch and never discolored them.

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03-27-2007 10:38 PM In reply to

kmdc
Joined on 03-06-2005
NJ USA
Posts 1,034

Re: Swing arm bearings too big

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DOH, That was suppose to be heat gun[

)]. If you clean the arm, freeze the bearings, and use WD40 that will be enough. I had no problem when I did it. Now let me go dry my hair with a propane torch [

03-28-2007 12:57 AM In reply to

AlanH
Joined on 05-06-2004
Lakeview MI USA
Posts 4,883

Re: Swing arm bearings too big

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In lieu of a press or if you have difficulty a length of 5/16" dia all thread rod can be used to draw the needle brgs into the arm using a proper socket, fender washers and nuts.

*** Creator of the SS Laser Front Signal Bracket and Tuning Fork Lower Cowl Grille ***

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03-28-2007 8:13 AM In reply to

DarkStar
Joined on 08-01-2002
Epping NH USA
Posts 15,244

Re: Swing arm bearings too big

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What am I the only one who uses a "Bearing Driver Tool Set'"?.....picked a set up on EBay for $25.00 and a heavy rubber mallet works great!

http://search.ebay.com/search/search.dll?cgiurl=http%3A%2F%2Fcgi.ebay.com%2Fws%2F&fkr=1&from=R8&satitle=bearing+driver+tool&category0=

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03-28-2007 8:15 AM In reply to

DarkStar
Joined on 08-01-2002
Epping NH USA
Posts 15,244

Re: Swing arm bearings too big

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Make sure you polish out the seating area for the swingarm bearings. Use a fine wet sand paper, do it by hand. That will usally clean up the area for proper seating of your bearings.

03-28-2007 8:01 PM In reply to

RF_WIZ
Joined on 12-08-2005
Staten Island NY USA
Posts 884

Re: Swing arm bearings too big

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quote:
Originally posted by kmdc

DOH, That was suppose to be heat gun[)]. If you clean the arm, freeze the bearings, and use WD40 that will be enough. I had no problem when I did it. Now let me go dry my hair with a propane torch [].

[

][

]

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03-28-2007 9:05 PM In reply to

AlanH
Joined on 05-06-2004
Lakeview MI USA
Posts 4,883

Re: Swing arm bearings too big

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IMO, this is not the proper tool for installing ball beraings (BB) [:0] It's a seal driver and brg driver for the cup of a tapered brg (outer race)

BB's should be pressed on the outer race which this tool wont do.

Will work for the swingarm & hub needle brg's but is to large to fully seat the brg's

Any stray plating can be removed from the brg bores with a fine Dremel buff as shown. It's important to clean this area up to the parent metal and nothing more. Premature brg failure will result from over pressed brg's in plated bores.

Finishing Abrasive Buffs - 180 & 280 grit (2 Pack)

[

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03-28-2007 10:12 PM In reply to

DarkStar
Joined on 08-01-2002
Epping NH USA
Posts 15,244

Re: Swing arm bearings too big

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Well Alan, IMHO it works Great!....I have driven many, bearings with this specific tool and not one single issue or damaged bearing since I started using it. I even use it on my oil seals to seat them properly and have not damaged one of those to date.

03-29-2007 8:40 PM In reply to

kmdc
Joined on 03-06-2005
NJ USA
Posts 1,034

Re: Swing arm bearings too big

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Looks alot better then my slightly smaller socket technique[

03-29-2007 10:17 PM In reply to

DragonRider
Joined on 01-14-2007
Vernon VT USA
Posts 1,122

Re: Swing arm bearings too big

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quote:
Originally posted by kmdc

Make sure where the bearings seat in the swingarm is clean and free of chroming crude. Yes freeze the bearings and you can also carefully heat the swing arm(hair dryer). Spray a little WD40 into the swingarm. Align the bearing straight. Used a socket just small enough to slide into the swingarm and place it squarely over the bearing and gently tap it in until the bearing seats.
PM me if you have any questions.

I just did this last night and it worked well....just make sure you lube it up first~~ [

]

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