Nippon Bearing – Ball Splines

NB ball splines transmit torque while allowing smooth linear travel, making them ideal for pick‑and‑rotate heads and tooling that must align in angle and position. This catalog explains nut styles, preload options and spline shaft geometries along with torque capacity and permissible misalignment.

Selection notes cover how duty cycle and reversing frequency affect sweat and fretting at the contact, and how preload influences backlash and stiffness. Dimensional tables include keyseat details, support methods and options for anti‑rotation.

Sealing and lubrication options are summarized to protect against dust and coolants; for high‑speed rotation, balance and lubrication pathways are highlighted. Materials and surface protections are listed for corrosive or wash‑down environments.

Integration guidelines explain alignment of bearings, shaft end‑machining, and how to combine ball splines with linear bushings or guides to distribute loads effectively.