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Author Topic: Husqvarna 385/390 Sealed Crank Bearings  (Read 867 times)

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Offline Cut4fun .

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Re: Husqvarna 385/390 Sealed Crank Bearings
« Reply #10 on: August 30, 2013, 04:05:39 pm »
Search 6203 bearing skf 24,000 rpm .  Google
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Offline EHP

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Re: Husqvarna 385/390 Sealed Crank Bearings
« Reply #11 on: August 31, 2013, 07:01:04 pm »
I went to the bearing place this morning but I guess cause of the long weekend they were closed  so maybe on Tuesday , I was told you can times the rated rpms by 2 1/2 times to get bearings limit at short runs so if your bearing is rated at 24,000 rpms I donot need to do the math cause 24,000 by itself is more than what a motor will turn in most cases
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Offline 660magnum

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Re: Husqvarna 385/390 Sealed Crank Bearings
« Reply #12 on: August 31, 2013, 07:28:45 pm »
My experience using regular C3 bearings at high rpm will take the cages out. The plastic cages do less engine damage but things stihl get fouled up in the crankcase for the rod will touch the crankcase. I found it better to keep a close eye on the crank in my pride and joy and change the bearings usually (for me) every year.
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