| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a vehicle bearing device which inhibits backlash from occurring in an outer ring member and a knuckle, and to provide a manufacturing method of the vehicle bearing device.SOLUTION: A vehicle bearing device 1 includes: an inner ring member 10; rolling elements 20; an outer ring member 30; and a knuckle 40. The outer ring member 30 includes a cylindrical part 31 and a protruding part 34. The protruding part 34 has an outer ring side joint surface 35. The knuckle 40 includes an arm part 41 and a connection part 43. The arm part 41 has a knuckle side joint surface 44. The outer ring side joint surface 35 and the knuckle side joint surface 44 are joined to each other by friction pressure welding.</p> |
