SEALING APPARATUS OF BEARING

摘要

PURPOSE: A sealing device for a bearing is provided to improve sealing performance by reducing drag torque because the amount of deformation is reduced so that the amount of interference from a seal lip is not changed. CONSTITUTION: A sealing device for a bearing comprises a first disc(200), a second disc(250), and a rubber member(300). The first disc is mounted in a non-rotary ring. The second disc is mounted to a rotary ring while facing to the first disc. The rubber member comprises a plurality of lips contacting the first disc and covering the second disc except for a portion mounted on the rotary ring. The rubber member comprises a protrusion(308) projected further in a direction of the rotary ring than a mounting surface in which the second disc is mounted on the rotary ring.