BB6500 is a cartridge unit (just like a UN55 or UN72 etc) so the non-driveside cup should have no effect on the bearings.
If it does something is amiss.
@M_V started
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BB6500 is a cartridge unit (just like a UN55 or UN72 etc) so the non-driveside cup should have no effect on the bearings.
If it does something is amiss.