OEM Parts
Inner diameter (mm): 20
Outer diameter (mm): 47
Thickness / Depth (mm): 14
Internal clearance: CN (standard)
Design: open on both sides
6204 bearing
$ 8.99
6204 bearing for several bikes, and transmissions! These are direct replacement for your zuma, or jog 50 minarelli. 89-11
PRICE IS FOR ONE BEARING, if you need two buy two