The Truth About Fluid Dynamic Bearing (FDB) Fans

Alternative Design 3

This design, used by the NZXT FX-140LB, is comprised of a single groove alongside the exterior of the bearing, but differently from what happens with the alternative designs 2 and 4, this groove connects both ends of the bearing, allowing the lubricant to flow. The interior of the bearing is smooth.

NZXT FX-140LBFigure 5: Alternative design 3 (NZXT FX-140LB)

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