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Rotary Ball Spline
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Number of parts can be cut down to half

This unity feature of conventional spline and rotary function dramatically contribute to eliminate parts used in your systems, and thence, accumulating minor errors that often seen due to installation process can be diminished as well.

Compact and Light weight

Cross-rollers are used for its rotary element in outer body of ball spline, so it is much lighter in weight and more compact in appearance. Cost for installation and additional matching can be greatly saved.

Rigid Structure

With NB's Rotary Ball Spline, feature of cross-roller and ball spline, of which has four ball circuits is maximized and is enhanced its rigidity notwithstanding its compact appearance.

High Accuracy

NB's Rotary Ball Spline accept load from rotating direction utmost, this makes accurate positioning at rotating direction possible.

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