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Old 09-30-2018, 07:12 PM
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Join Date: Jan 2015
Location: Quebec City, Canada
Posts: 92
190E manual swap pilot bearing OD is too big?

I have a 1992 190E 2.3 that I am swapping a manual 717.412 transmission into. I have a single-mass flywheel from a 1986 2.3. I also bought a LUK clutch kit for a 1986 car to match the flywheel. Today I tried installing the pilot bearing, and it looks like the OD is too big:

There is some kind of tube adapter at the center of the crank. Do I have to remove it in order to install the bearing? I don't think so because this tube thing centers the flywheel... Did the later cars have a different pilot bearing as the early cars.

I searched a little and apparently the National 202FF bearing is good for all years, but they also say the OD is 1.378" on that one. On the bearing I have, the OD is about 1.75". The store here also lists the same SKF bearing for all years.

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Old 10-01-2018, 01:52 AM
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Join Date: Aug 2007
Location: Southern California
Posts: 393
That looks like incorrect pilot bearing. Try 115 980 01 15 at the dealer.


That pilot bearing you have might be for dual mass flywheel, but I am not sure.
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Old 10-01-2018, 09:52 PM
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Join Date: Jan 2015
Location: Quebec City, Canada
Posts: 92
Looks like it's just a regular 6202-2RS bearing. Pretty standard, should be easy to find...

Now what about the installation? I just tap it inside the bore until it is flush with the edge of the bore? What about the retaining ring mentioned in the Haynes? Anybody has a diagram? I cannot find one!
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Old 10-01-2018, 10:31 PM
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Join Date: Jan 2012
Posts: 7,534
It looks like the part in your top 2 pics is a 6202 bearing in a pot metal / aluminum adapter.
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Old 10-10-2018, 01:24 PM
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Join Date: Apr 2016
Location: Lafayette Indiana
Posts: 406
The bearing in your top pic is the wrong part. On our M103 5 speed car with a single mass flywheel I've been pushing them past flush but not all the way using a clutch alignment tool to get an idea of a good depth. It should support the input shaft of the trans. We've been through a couple engines unfortunately so I am too familiar with our setup and I end up about 1/4" in from the top of the crank every time. It shouldn't have any axial loading and ours does not have a snap ring and I am not worried about that.

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