626-2RS BMX Sealed Bearing - 19x6x6mm
$ 5.99
This is one 626-2RS bearing. It has an OD of 19mm, an ID of 6mm, and thickness of 6mm.
This is one bearing; if you need a pair, buy 2!
Be sure to measure your old bearing to ensure this will fit. The appearance of this part may vary slightly from the photo.