Miniature range SD / BD / SH

As a result of precision rolling technology the SKF range of miniature ball screws offers compact, highly efficient driving solutions. The nut design incorporates a threaded nose for easy integration into any assembly. Customized solutions are available.

Features and benefits

  • Optional reduced axial play from 0,02 to 0,03 mm, depending on size
  • Recirculation with inserts (SD/BD) or with tube (SH), depending on size
  • Optional surface coating on shaft and nut
  • Optional safety ring for certain sizes
  • Optional wipers for certain sizes
  • Excellent repeatability with high positioning accuracy
  • Smooth running
  • Extremely compact nut design with threaded nose for easy assembly
  • Backlash elimination by oversized balls on request (BD designation)
  • Good back-driving

Technical data

Nominal diameter
from 6 to 16 mm
from 2 to 12,7 mm
Basic dynamic load capacity
from 1,9 to 10,7 kN
Basic static load capacity
from 2,2 to 17 kN
Maximum axial play
from 0,05 to 0,07 mm

Typical applications

  • Portable tools
  • Medical instruments
  • Medical imaging
  • Optical industry
  • Aerospace
  • And many other applications

Miniature range SD/BD/SH

SKF logo