So this is not due to bearing failure but for many other reason some need a advantage.
Many kayak situations involve submerging reels in saltwater which can be deadly to internals of all reels.
Perks of having sealed bearings vs stainless steel.
Sand and water will not intrude within the bearings.
Where standard bearings will allow water to seep in there.
One purchase includes all bearings for the reel
This kit provides the bearings to convert all to sealed which protects against bearing failure.