Specifying only genuine Yamaha bearings when re-building the wheel will mean using the same items used by the Yamaha factory when the machine was built. Why risk any other make of Bearing with something as important as the wheel?
You may like to order this Bearing as well: 9330620310 to complete the rebuild.
Always ensure that the part numbers ordered are compatible with your model?
Use genuine Yamaha specified bearings - The factory did!