A bearing-protection device for protecting and lubricating bearings. The coated, high-strength metallic-alloy component is then thermally treated to concurrently impart pre-determined metallurgical properties to the finished, metallic substrate, and cure the organic, aluminum-containing coating. A first passage having an outlet opening is arranged in the interior of the spindle. In some implementations the mobile satellite transceiver system also includes a Radio Frequency Identification interrogator for communicating with RFID tags. 1ch audio information included in the contents are output as they are and sounds for the remaining 2 channels are reproduced artificially even if speakers compatible with the 5.