| abstract |
(57) Abstract: Provided is a seal having high sliding contact with a seal contact surface of a lip portion, which is suitable for a rolling device such as a rolling bearing, a hub unit for an automobile, a linear guide device, and a ball screw. A lip portion 1 made of a rubber molded body of a seal 1 is provided. 3 (here, the entire elastic body 3) is formed using a rubber composition in which the raw rubber is a hydrogenated acrylonitrile butadiene rubber having a carboxyl group. |