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Old 09-16-2010, 10:54 AM   #1
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i am about to install a new rear tko ceramic bearing on my backup zx12 engine. Unlike other bearings, this bearing does seem to be the same on both sides (http://tkocompetitiondev.com/product...roducts_id=221). Am i missing something here? On both ends bearing is open and metal shields cover the balls like in the pic. Is there a right and wrong side when mounting it?
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Old 09-16-2010, 12:20 PM   #2
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2 things to look at:

1) with most rear engine bearings the groove of the balls is not in the middle of the bearing, if so than the groove must face to the rear of the engine.

2) look at the edge of the inner ring of the bearing. there is a small angled/rounded side on both sides but at one side the angled/rounded edge is bigger, that has to face to the rear.
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Old 09-16-2010, 12:33 PM   #3
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Quote:
Originally Posted by Roelof View Post
2 things to look at:

1) with most rear engine bearings the groove of the balls is not in the middle of the bearing, if so than the groove must face to the rear of the engine.

2) look at the edge of the inner ring of the bearing. there is a small angled/rounded side on both sides but at one side the angled/rounded edge is bigger, that has to face to the rear.
still no difference between both sides... its like playing "find the differences"
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Old 09-16-2010, 12:45 PM   #4
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I dont know any thing about engine bearings !!!

BUT at the bottom of that page in the video he/tko? says the balls are to face the engine cover?

http://tkocompetitiondev.com/product...roducts_id=157

http://www.youtube.com/watch?v=fA4-a...layer_embedded
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Old 09-16-2010, 12:54 PM   #5
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There are more tko videos, youll have to look see if your's is there
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Old 09-16-2010, 02:54 PM   #6
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Quote:
Originally Posted by Stuff Of Legend View Post
I dont know any thing about engine bearings !!!

BUT at the bottom of that page in the video he/tko? says the balls are to face the engine cover?

http://tkocompetitiondev.com/product...roducts_id=157

http://www.youtube.com/watch?v=fA4-a...layer_embedded
thanks for trying to help but thats not the case with my bearing.
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Old 09-17-2010, 08:29 AM   #7
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After carefull inspenction, i cant find any difference at all. Wierd but true.
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Old 09-17-2010, 04:07 PM   #8
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i have used that bearing in my old nova top .12 engine...
looking at the inner bearing cage where the metal tabs fold over should face the clutch.
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Old 09-18-2010, 03:41 AM   #9
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Quote:
Originally Posted by helivaguy View Post
i have used that bearing in my old nova top .12 engine...
looking at the inner bearing cage where the metal tabs fold over should face the clutch.
i agree, if i have to choose one side, the side where the metals tabs fold over will be facing the front of the engine, however there is no other visual difference between both sides.

Btw, how do you think is the quality of these bearings?
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