Surface Finish and Wear Results in Composite Bearings
Recent studies have proven beyond question that the surface finish of the mating hardware when using composite bearings will make or break the performance. In a rotary test, the 8rms mating surface finish had a wear rating of 1, at 16rms it increased to 1.4, 32 rms 2.2 and at 63 rms 5.3. It was also noted in the test that the method of finishing also influenced the bearing wear. Roller burnished surfaces performed the best with ground and polished next best. Turned finishes or mill finishes, even at 16rms, tended to have faster wear than the other finishing techniques.
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Tags: bearings, Composite bearing wear, plastic bearings, surface finish
