Patent ID: 9217472
Filing Date: 2015-12-22
Classification: F16C

Abstract:
1. A seal equipped bearing assembly comprising: a plurality of rolling elements interposed between opposite raceway surfaces defined in respective raceway rings; and a sealing member to seal a bearing space delimited between the raceway rings, the sealing member having a base end secured to one of raceway rings and a sealing lip held in contact with the other of the raceway rings when the bearing assembly is in a non-rotating state; and a gap formation facilitating element defined in a seal contact face in the other of the raceway rings, the gap formation facilitating element being a projection provided in a circumferential portion of the seal contact face in the raceway ring, wherein the gap formation facilitating element is configured to render the sealing member to be a non-contact seal or to contact so that the contact pressure is approximately zero when the bearing assembly is in a rotating state, and the sealing lip is provided with a slit that connects an inside of the sealing lip to an outside of the sealing lip.