6902-2RS BMX Sealed Bearing - 28mm-15mm-7mm
$ 6.99
This is one (1) 6902-2RS bearing. This bearing will work with many hubs. It has an OD of 28mm, and ID of 15mm and thickness is 7mm.
This is one bearing; if you need a pair, buy 2!
Be sure to measure your old bearing to ensure this will fit.