A vehicle wheel bearing apparatus which reduces weight, size and number of parts prevents ingress of rain water or dusts and leakage of differential gear oil is structured as a unit with a wheel hub and a double row rolling bearing. Respective data volumes of one or more traffic bursts of the sequence are estimated, and the given media bit-rate is derived from the estimated data volumes. Forming the dynamic association between the workstation and the teleset can include determining a hostname for the workstation, searching for the hostname in configuration data, and, if the hostname is found, dynamically associating the workstation with a teleset associated with the hostname. In another embodiment, a method and apparatus displays time-based alert information in a graphical display for one or more network objects along with statistical bands. A wedge, is moved by a screw, into wedging engagement with the inner tubular member to force the inner tubular member into engagement with the translating jacket and the translating jacket into the fixed jacket for preventing relative longitudinal movement. The respective minimum energy components are finally combined to obtain the noise variance.