Bearing device for wheel
A bearing device and wheel technology, applied in the directions of bearings, axles, wheels, etc., can solve the problem of easy loosening of bolts, and achieve the effect of improving strength and not producing abnormal noise.
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[0099] Below, refer to figure 1 - Fig. 21 illustrates an embodiment of the present invention. figure 1 The wheel bearing device according to the first embodiment is shown, and the wheel bearing device is formed by integrating the hub ring 1 , the multi-row rolling bearing 2 , and the constant velocity universal joint 3 .
[0100] The constant velocity universal joint 3 includes an outer ring 5 as an outer joint member, an inner ring 6 as an inner joint member disposed inside the outer ring 5 , and a plurality of pieces sandwiched between the outer ring 5 and the inner ring 6 to transmit torque. The balls 7 and the cage 8 sandwiched between the outer ring 5 and the inner ring 6 and holding the balls 7 are constituted as main components. The inner ring 6 is spline-fitted by press-fitting the end portion 10a of the shaft 10 into the shaft hole inner diameter 6a thereof, and is coupled to the shaft 10 in a torque-transmittable manner. In addition, a retaining ring 9 for preven...
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