PSS2040N1D0858 is an NSK Compact FA series PSS-type (standard environment) precision ball screw: 20 mm shaft diameter, 40 mm lead, 858 mm overall length, accuracy grade C5, axial play 0 (oversize-ball preload), with basic load ratings of Ca 6.38 kN (dynamic) and C0a 11.6 kN (static). The PSS type is NSK's standard-stock series — standardized specs with comparatively short lead times. The dimensional drawing PDF is available below.
Not sure about accuracy grades? See our guide: How to choose ball screw accuracy grades (C0–C10) (in Chinese).
Other lengths with the same specification
The Compact FA PSS type with 20 mm shaft dia. × 40 mm lead is also available in these lengths: PSS2040N1D0658, PSS2040N1D0758, PSS2040N1D0958, PSS2040N1D1085, PSS2040N1D1285, PSS2040N1D1485, PSS2040N1D1885, PSS2040N1D2285.
Customization
Shaft-end machining to your drawings is available. Add the part number (or your drawing) to the inquiry cart — Nahshon works directly with NSK to confirm specs, quotation and delivery.