On modern front- and four-wheel drive cars, wheel bearings are a set of permanently sealed, precisely machined steel ball or straight roller bearings. The balls, or rollers, are encased in a "cage ...
[Cliff] of might have the answer for you, in the form of 3D printed bearings with filament rollers. With the exception of the raw filament rollers, the inner and outer race, roller cage and cap ...
USA, describes how drum motors offer a solution to many traditional conveyor drive issues faced by the mining industry ...