SEALING MEMBER, PACK SEAL PROVIDED WITH SEALING MEMBER, AND BEARING DEVICE FOR WHEEL PROVIDED WITH PACK SEAL

摘要

PROBLEM TO BE SOLVED: To provide a sealing member capable of prolonging service life without impairing the performance for preventing intrusion of foreign matter such as salt water, sediment or the like and leakage of grease to the outside and to provide a pack seal provided with this sealing member and a bearing device for wheel provided with this pack seal.;SOLUTION: In this sealing member, a core metal unit 17 and seal rubber 18 are bonded by vulcanizing, the seal rubber 18 includes at least a main lip 21f and a side lip 21d, the main lip 21f comes into slide-contact with a slinger 16 in the radial direction, the side lip 21d comes into slide-contact with the slinger 16 in the axial direction, the main lip 21f and the side lip 21d are integrally constituted, an intermediate part is the side lip 21d, and a chip part is the main lip 21f.;COPYRIGHT: (C)2010,JPO&INPIT