| 摘要 |
A disc brake device for use in a vehicle which comprises a disc rotor having annular disc brake surfaces, a wheel hub for supporting the disc rotor and being rotatably supported by a wheel axle via bearings, a stationary dust cover for covering both an outer surface of the disc rotor and an end surface of the wheel hub, and a mud-guard cover which is fixed to the dust cover and which has a peripheral edge portion extending to a position adjacent to the surface of the disc rotor. This disc brake device can prevent muddy water from entering into the inside thereof, thereby preventing the lips of a seal and one of the bearings mounted in the device from being damaged by external muddy water. In addition, the lubricating oil for the bearing can be prevented from degradation by such muddy water.
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