This is a large bearing (12CM Diameter) not pictured. Minimal friction achieved by printing with 15+ Shells. This prints rings instead of crosshatching :) minimal plastic design for quick prints. Vertical load distribution. Cage holds 6mm BB's Part of my bearing collection printed on Rep 2 - printing circles, not ovals +Update+ Sanding wedge includedPrint top & Bottom - push 6mm into groove. Recommend gluing to a flat surface for better traction infill - doesn't matter shell - 15+ Layer - 0.1