Bearing device for wheel

[0042] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

[0043] figure 1 It is a longitudinal sectional view showing an embodiment of the wheel bearing device of the present invention, figure 2 is showing figure 1 A longitudinal sectional view of a wheel bearing, image 3 (a) is shown figure 2 Longitudinal sectional view of the outer member of the image 3 (b) is shown image 3 An enlarged view of the main part of (a), Figure 4 (a) is shown figure 2 A longitudinal sectional view of a modified example of the outer member, Figure 4 (b) is shown Figure 4 An enlarged view of the main part of (a), Figure 5 (a) to Figure 10 (a) is shown figure 2 Longitudinal sectional views of other modifications of the outer member, Figure 5 (b) to Figure 10 (b) is shown Figure 5 (a) to Figure 10 An enlarged view of the main part of (a). In addition, in the following description, the outer side of the wh...