This ball screw has been modified for stages and instruments with low spacing below. This has never been used or contaminated. The nut width is 1.57”. The nut length is 1.78”. These are some of the mechanical specs.
Thread pitch/lead 16mm Double start
Thread diameter 15mm
Full travel 438mm
Bearing Journal 12mm diameter
Drive journal 10mm diameter
Free end journal 6mm diameter
Overall length 610mm
245SH:B