| abstract |
A self-lubricating roll neck shaft box sealing device that eliminates the need for externally supplying a seal lubricant is provided. SOLUTION: Between a fillet ring 3 fixed to the outer periphery of a roll neck 2a and a bearing cover 7 connected to a shaft box 6 of a bearing device 4 that rotatably supports the roll shaft end 2b. A roll neck shaft box sealing device 1 including double rows of seals 8, 9, and 10 whose inner diameter side is in sliding contact with the outer periphery of the fillet ring 3 and whose outer diameter side is fixed to the bearing cover 7. Solid space in which a lubricating component and a resin component are essential components in a space surrounded by the fillet ring 3, the bearing cover 7, and the seals 8, 9, and 10, and the resin component is foamed and cured to make it porous. A foamed solid lubricant 11 is enclosed. [Selection] Figure 1 |