NSK – Linear Guides – NH NS Models

This catalog consolidates NSK’s linear guides with matched accuracy classes and preload control into a practical reference for engineers who need clean selection rules, dimension data and mounting guidance in one place. Each section shows ratings and tolerances alongside installation notes so choices are validated against application limits early in the design.

Selection covers load direction, speed, temperature and running accuracy. Preload options and accuracy grades are explained with their effects on stiffness, friction and thermal growth. The dimensional tables are paired with interface recommendations—shoulders, chamfers, reference edges and bolt patterns—to shorten commissioning and reduce trial‑and‑error.

Reliability is treated as part of the system: lubrication strategies, grease quantities, compatible oils, and sealing formats for dusty or wet environments. For aggressive chips and abrasives you will find scraper, labyrinth and positive‑pressure options. Surface protection and stainless variants for wash‑down are called out where appropriate.

Mounting notes close the loop: datum selection, tightening sequence, measurement methods and acceptance criteria. When followed, machines start smoothly, keep noise low and hold tolerance for long intervals, minimizing corrective maintenance and unplanned stops.