| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of forming an impression on a surface of a ball or a raceway surface of an inner race and an outer race or the both, when foreign matter such as abrasion powder of a gear enters a contact part between the ball and the inner race or the outer race.SOLUTION: A tandem type angular ball bearing is characterized by installing seals 20 and 30 in at least one of both-end opening parts in the axial direction formed of the outer race inner periphery and the inner race outer periphery 50. Desirably, a seal lip 22 being a contact part of the contact seal is contacted with the end surface side 40 of the inner race 2 being a turning wheel. |
