Koyo 6303DDU. Upgraded from B6303Z. Also known as: 6303LLUC3, 2ASU68. Double sided rubber sealed. Outer diameter: 47mm. Inner diameter: 17mm...
This wheel bearing kit uses premium quality Japanese Koyo bearings.
TourMax 6004D45-DDU. Double sided rubber sealed. Outer diameter 45mm. Inner diameter 20mm. Width 12mm. Made in Japan.