Any downside to adding the black seal covers to protect the back side of the idler wheel bearings like what comes on Ski-Doo? The wheel supports are the same part number.
CITY 23
There’s really no downside to adding the black seal covers to the back side of your idler wheel bearings, and it can actually help extend bearing life. Those covers act as an extra barrier against snow, water, and grit, which are the main causes of premature bearing wear on sleds. Since your wheel supports share the same part number as the Ski-Doo setup, the covers should fit without clearance issues. Just make sure the bearings are properly greased before installing the covers, and check them periodically, because sealed bearings like 6004-2RSLTN9/HC5C3WT bearing, Deep Groove Ball Bearings 20x42x12, 0.062 KG - en.tradebearings.com can still fail if moisture gets trapped inside over time.
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