Quote:
Originally Posted by porthole
The bearings are the same, imitation timkin chinese cups and races.
The seals are different but our DRV had the oil bath seals which are called ‘unitized’. They are a two piece rotating seal.
Somewhere around 2014 they started switching over to grease. Complaints of oil seepage led the change.
The seepage was mostly because of improper levels and no venting of the hubs.
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I thought the issue was oil draining from bearings as Lon as some trailers are stationary leading to rusting and subsequent bearing failures