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Old 10-18-2022, 11:13 AM   #1
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So there is a roller bearing which hasn't received much exposure although it's been around awhile, possibly being the first roller bearing. The seller claims it has unique and superior control of thrust which near as I can tell is the only aspect of the roller bearing that causes any concern. Also, the price is slightly lower than others.
So the question is, does anyone have any information or experience with this bearing? I believe the seller claims zero failures although I'm not sure how long ago that claim was made.

Anyway, please have a look and let me know what you guys know and think about this bearing.

https://www.por-ims.com/home
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Old 10-18-2022, 01:28 PM   #2
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I`ve never heard of this. It`s probably not bad, I don`t see how the thrust control is achieved though. It`s similar to what I have used in my car, just I added an additional ball bearing for thrust control. I would still go with the factory NSK bearing though, that has the best reputation of all. And in your car it already lasted 160k miles and there`s no indication that it will fail soon. Why do you want to replace the flange and the center bolt btw?

Quote:
Originally Posted by nuvolari View Post
So there is a roller bearing which hasn't received much exposure although it's been around awhile, possibly being the first roller bearing. The seller claims it has unique and superior control of thrust which near as I can tell is the only aspect of the roller bearing that causes any concern. Also, the price is slightly lower than others.
So the question is, does anyone have any information or experience with this bearing? I believe the seller claims zero failures although I'm not sure how long ago that claim was made.

Anyway, please have a look and let me know what you guys know and think about this bearing.

https://www.por-ims.com/home
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Old 10-18-2022, 01:47 PM   #3
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Originally Posted by Homeoboxter View Post
I`ve never heard of this. It`s probably not bad, I don`t see how the thrust control is achieved though. It`s similar to what I have used in my car, just I added an additional ball bearing for thrust control. I would still go with the factory NSK bearing though, that has the best reputation of all. And in your car it already lasted 160k miles and there`s no indication that it will fail soon. Why do you want to replace the flange and the center bolt btw?
Well I’ve heard how the center bolts are a weak spot and I’m having trouble getting my bearing out using an internal puller. So I might need to pull it using the center bolt and that has been known to break when using it to pull the bearing.
As for the flange, mine has some pitting on the surface that goes inside the bearing. I know that’s not spinning and merely holds the center race of the bearing but still it’d be nice to replace.
So you’re using two bearings in your car? I was actually thinking of doing that or trying to find a dual row bearing with one row of roller bearing and the other with ball or conical to support the thrust. Of course, with one look at bearing catalogs, I gave up on that! Those catalogs are not pleasant or easy to navigate for the layman!
Do you have a thread on your installation? I’ve read many of your threads and seen your helpful comments on other threads but I haven’t seen anything about a two bearing setup.
Anxious to see the details….
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Old 10-18-2022, 02:05 PM   #4
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Originally Posted by nuvolari View Post
Well I’ve heard how the center bolts are a weak spot and I’m having trouble getting my bearing out using an internal puller. So I might need to pull it using the center bolt and that has been known to break when using it to pull the bearing.
As for the flange, mine has some pitting on the surface that goes inside the bearing. I know that’s not spinning and merely holds the center race of the bearing but still it’d be nice to replace.
So you’re using two bearings in your car? I was actually thinking of doing that or trying to find a dual row bearing with one row of roller bearing and the other with ball or conical to support the thrust. Of course, with one look at bearing catalogs, I gave up on that! Those catalogs are not pleasant or easy to navigate for the layman!
Do you have a thread on your installation? I’ve read many of your threads and seen your helpful comments on other threads but I haven’t seen anything about a two bearing setup.
Anxious to see the details….
It`s a weak spot when you use it for pulling the bearing or when you overtighten the nut on it. Otherwise the load on the center bolt is very low in the 2 row application. There`s lengthy thread is in the show&tell section.
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Old 11-26-2022, 06:23 AM   #5
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Quote:
Originally Posted by nuvolari View Post
So there is a roller bearing which hasn't received much exposure although it's been around awhile, possibly being the first roller bearing. The seller claims it has unique and superior control of thrust which near as I can tell is the only aspect of the roller bearing that causes any concern. Also, the price is slightly lower than others.
So the question is, does anyone have any information or experience with this bearing? I believe the seller claims zero failures although I'm not sure how long ago that claim was made.

Anyway, please have a look and let me know what you guys know and think about this bearing.

https://www.por-ims.com/home
First time I've heard of this bearing also. Their technical documentation is impressive. I'm not sure that I agree the lack of lubrication plays no role in failures... given that the last 2 IMSBs that I looked at were almost dry. I would consider this bearing, but, for me, replacing the original bearing with a new NSK (with the outer seal removed) is still best when cost is taken into consideration.
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