DrX

iTrader: (6)

Not exactly the intended application, but anyone else notice grease leakage from these? This is how all of mine look after around 200 miles of use. They are spinning up to 18,000 RPM peak.

stevieturbo

Just measure the dimensions if they dont have a sensible part number on them.

They will NOT be anything special though. Anywhere that sells bearings will be able to supply you a replacement

DrX

iTrader: (6)

I found several potential replacements. None appear to be superior than the others. Just wondering if this is normal, or if it is a sign of some other issues. I cut 1 open and other than not having much grease in it, I didn't see any unusual wear pattern.

stevieturbo

Ive had the same bearings in some of my idlers for a few years now. With the much higher stepup of the Procharger, are you sure you're eve hitting 18k ?

I know my 3" idlers would see as much as 20k, although as mines a Vortech, my crank pulley is quite a bit larger than most at 8.5"

Ive never had any problems. Never noticed any leaks worth worrying about though. I'd say as long as the seal itself is ok, they should be fine.

The self aligning bearing I use in my brace is a different matter. The seal on it actually deforms over time, likely due to excessive speed and heat, and then leaks.

DrX

iTrader: (6)

Crank pulley is 7.64".
7.64/3 x 7000 RPM = 17,826 peak idler RPM
Although they don't spend much time at high speeds.