| 摘要 |
Two rolling bearings 1 and 2 are respectively mounted on the two end portions of a housing 5, while the inner rings 1n and 2n thereof are mounted on a shaft 3 in such a manner that they can be rotated integrally with the shaft 3. An iron pulley 11 forming part of a drive unit 13 is fixed to the shaft 3 and is also connected to a drive source (not shown) through a power transmission belt 12. In front of the rolling bearing 1 that is closest to the drive unit 13 (specifically, on the end face of the iron pulley 11), there is disposed a diselectrification device E which is used to remove static electricity to be generated in the drive unit 13.
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