Hi Justin and Em,
The 6202 was merely another one of those cost cutting ventures that Rover were so into as they didn't expect a machine to last past 10 years before one would replace it with a new unit.
As far as eliminating vibrations due to very slight variations in chassis twist and wear of componentry etc.over the years I would definitely stay with the 1202.
The 1202 can not be obtained in a sealed version due to it's axial movement of the inner race and thus it's simply a matter of keeping it well packed in grease. Sadly doing this is not easy as it's a engine removal job to gain access, as the whole drive line across the top needs to be moved across so that the housing is able to be removed, thus why most machines have never had that particular bearing lubricated in the whole life of the mower.
Costing on the 1202 can be anywhere between $19 and $35 depending on where it is purchased from and what brand it is. There's not that much choice out there. I've just placed an order for one at trade price and it's also a Japanese made unit for my neighbours 45 that I'm currently building.
Cheers,
BB.
