Patent ID: 6966558
Filing Date: 2005-11-22
Classification: F16C

Abstract:
1. A sealing device for a rolling bearing comprising: a fixed ring including raceway groove; a seal mounting groove formed to a shoulder of the raceway groove; a rotational ring rotatable with respect to the fixed ring, including a raceway groove; a circumferential step formed on a shoulder of the raceway groove of the rotational ring; and an annular resilient sealing member fit into the seal mounting groove, a sealing lip of the sealing member being brought into contact with a lateral surface of the circumferential step, wherein the sealing member includes a fluoro resin and a filler in an amount in a range of about 10 parts to 60 parts by weight based on 100 parts by weight of the fluoro resin, wherein the filler includes a first filler having a Mohs hardness in a range of about 6 to 8 in an amount in a range of about 25% to 75% by weight of the filler, and a second filler having a Mohs hardness of less than 6.