Full definition
Precision linear motion system comprising a profiled rail and one or more recirculating ball or roller carriages. Parallelism accuracy: down to ±0.002 mm. Precision classes: Normal, H, P, SP, UP. Preload classes: C0 (no preload) to C3 (high rigidity). Ball pitch: 2–15 mm. Load per carriage: 0.5–150 kN. JIS B 1192 standard. Brands: THK (Japan), Hiwin (Taiwan), Bosch Rexroth, NSK, PMI.