Function: This unit consists of a square aluminium profile with an integrated ball rail. The carriage is driven by means of a rotating spindle with leading nut. The openings of the guide body are sealed by a stainless steel cover band to protect the drive from splash water and dust. High positioning and repeat accuracy. Inrestricted installation position, flexible use as a vertical axis in a gantry system with short lifting movements and higher loads. This linear unit is suitable for application in clean rooms of clean-room classification ISO class 1 (according to DIN EN ISO 14644-1).