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...
This wheel bearing kit uses premium quality Japanese Koyo bearings.
All Balls Racing Wheel Bearings feature High-Speed bearings that are manufactured to ABEC 3 precision levels, triple lip rubber seals that k...