Koyo 6303DDU. Upgraded from B6303Z. Also known as: 6303LLUC3, 2ASU68. Double sided rubber sealed. Outer diameter: 47mm. Inner diameter: 17mm...
Koyo 6203DDU. Upgraded from B6203ZC3. Double sided rubber sealed. Outer diameter: 40mm. Inner diameter: 17mm. Width; 12mm. Made in Japan. Re...
Koyo 6003DDU. Double sided rubber sealed. Outer diameter 35mm. Inner diameter 17mm. Width 10mm. Made in Japan.
This wheel bearing kit uses premium quality Japanese Koyo bearings.