Which pilot bearing should I use: NSK or Koyo (Koyo is Mazda OEM) - Miata Turbo Forum -Boost cars, acquire cats.

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Old 03-29-2010, 10:27 PM   #1
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Default Which pilot bearing should I use: NSK or Koyo (Koyo is Mazda OEM)

But I've heard the OEM pilot bearing is crap-and the NSK one came with my ACT clutch so I'm leaning toward that one but thought I would get some more opinions. Tried search and didn't see anything come up about NSK brand. Thanks!
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Old 03-29-2010, 10:37 PM   #2
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Check which one has a better seal and use that one.
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Old 03-30-2010, 09:49 AM   #3
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NSK is OEM for a lot of **** including Subaru...but then again so is Koyo.

Whichever one looks better I'd used. I do know that 3/4 cars I have now have the NSK bearings in them that cam from ACT and Exedy.
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