Nippon Bearing – TOPBALL High Load Linear Bushing

TOPBALL high‑load linear bushings increase capacity within the same envelope by optimizing ball track geometry and load distribution. This catalog explains where TOPBALL provides gains over standard bushings—heavy pick‑and‑place, press feeding and woodworking axes—without complicating assembly.

Selection guidance maps bore sizes to load and life targets, with notes on shaft hardness, roundness and straightness that safeguard performance. Housing recommendations address permissible bore tolerances and clamping methods to maintain concentricity.

Seals, shields and lubrication grooves are shown together with compatible greases and oils for different temperatures and speeds. Noise and vibration considerations are summarized for high‑speed applications.

Installation instructions emphasize alignment of multiple bushings on a single shaft, verifying smooth motion across the full stroke and documenting torque and drag after tightening.