[mikefocke]

Originally Posted by JFP in PA

I have never been a fan of IMS roller bearings. Contrary to what they advertise, they are not stronger than the ball bearing design, and by far one of the biggest problems in bearing failures is heat buildup, and roller bearings get much hotter than ball bearings. I also cringe at how they want to get oil to the bearings............

Didn't Raby do a roller bearing which was supposed to address the perceived faults of the other common roller bearing IMS? Its write-up of it's advertised benefits might give insight into the possible shortcomings of other offerings.

https://lnengineering.com/products/the-definitive-guide-and-faq-for-porsche-ims-bearings/cylindrical-roller-bearing-ims-retrofit-kits.html