Bearing device for wheel
A bearing device and wheel technology, applied to bearings, axles, wheels, etc., can solve the problems of poor component management, poor workability, and large number of components, and achieve the effects of no noise, increased strength, and anti-rolling fatigue life
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[0062] Below, based on Figure 1 to Figure 12 Embodiments of the present invention will be described. figure 1 A wheel bearing device according to a first embodiment is shown, in which a hub wheel 1 , a plurality of rows of rolling bearings 2 , and a constant velocity universal joint 3 are integrated.
[0063] The main components constituting the constant velocity universal joint 3 are: an outer ring 5 as an outer joint member; an inner ring 6 as an inner joint member arranged inside the outer ring 5; and a plurality of balls 7 for transmitting torque; and a cage 8 interposed between the outer ring 5 and the inner ring 6 to hold the balls 7 . The inner ring 6 is coupled to the shaft 10 by press-fitting the end portion 10a of the shaft 10 into the inner diameter 6a of the shaft hole 6a and spline-fitting, so that torque can be transmitted. In addition, an end portion 10a of the shaft 10 is fitted with a locking wheel 9 for shaft detachment prevention.
[0064] The outer rin...
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