6204 refers to the dimensions of the bearingwhat do people mean when they say upgraded bearings. How is one better than another.
I fitted SKF 6204 C3, it was £3
They are available with both, one, or no sides sealed
I went with open, no seals, as I reasoned it's supposed to get fed with oil for lubrication
I've been wondering whether the roller bearing type would be an upgrade
I've read some suggestions on this site that is the case due to failures of the ball bearing cages
For example, some Puntos with the C514.5 gearbox got roller bearings
I think it is what I would do
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