| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealing type conical roller bearing for a roll neck capable of preventing infiltration of water or the like into a bearing interior by eliminating a pressure difference between a bearing exterior and the bearing interior. SOLUTION: Through-holes 34 piercing in radial directions are plurally formed at substantially equal intervals in a circumferential direction in an elastic seal member 31 of a middle seal 30 disposed astride inner circumference faces 13e, 14e of adjacent inner rings 13, 14. A water repellent film 35 is formed on an inner circumference face of the through-hole 34. COPYRIGHT: (C)2010,JPO&INPIT |
