Implications for Use of Different Encryption Algorithms on Power Consumption for Mobile Devices in the Healthcare Industry.

An annular metal outer race with a concave bore is placed in an outer mold. A pair of coaxial annular inner molds are inserted into the outer race. Liquid plastic is flowed into an annular space between the inner molds and the outer race. The liquid plastic is allowed to solidify and shrink whereby a clearance between the plastic ball outside diameter and the outer race is provided.