M62 Nose Drive Bearings - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-23-2003, 10:19 AM   #1
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Default M62 Nose Drive Bearings

I read the posts that say the bearings for the nose drive are 6203.C3 and 6204.C3, but my bearing rep needs to know what brand they are... according to him the 6203 is of course standard size and duty rating, by\ut the C3 suffix can mean different things to different manufacturers... he said that *usually* .C3 means loose internal clearances (would that make sense for an application like the inside of a supercharger???) but some manufacturers use .C3 to indicate a composite (read plastic) ball cage - ostensibly to allow higher speeds and greater tolerance to accel/deceleration.

So if one of you guys could let me know the manufacturer that Eaton uses for these things, I'd really appreciate it.

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Old 05-23-2003, 05:37 PM   #2
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NSK on the bearings, I bought mine from Motion Industries.


For specs:
http://www.nsk-corp.com/page.asp?ID=253
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