Sealing device, and rolling bearing and hub unit incorporating the sealing unit
a sealing device and hub unit technology, applied in mechanical equipment, rotary machine parts, transportation and packaging, etc., can solve the problems of reducing sealing performance at the respective slidably contacting regions, difficult to secure sealing performance, and difficult to secure sufficient sealing performance, so as to improve sealing performance and reduce the strain generated in the axially oriented sealing lip. , the effect of improving sealing performan
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[0063]FIGS. 1 and 2 show a first example of the embodiment of the present invention corresponding to the first to seventh aspects. The seal assembly 17 according to the present invention is composed of a metal core 5, a slinger 6 and a sealing member 7a. The metal core 5 among these elements is formed in a single body by punching process, such as press work, and plastic-working process of a metallic plate such as a low-carbon steel plate. The metal core 5 is formed in a generally annular ring shape having an L-shaped cross section, and composed of a radially outer cylindrical portion 9 which can be internally fitted and fixed to the inner peripheral surface of the end portion of the outer race 8 (see FIG. 25) of the rolling bearing and an inner circular ring portion 10 which is bent inwardly in the radial direction from the end edge at the axially inner end of this radially outer cylindrical portion 9 (the left edge as illustrated in FIGS. 1 and 2).
[0064] The above slinger 6 is als...
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