AmetekHaydonKerk AmetekAMS

SRZ - Anti-Backlash

The Kerk® SRZ Series Anti-Backlash ScrewRail® Linear Actuators are designed and manufactured with our unique axial take-up mechanism providing continuous self-adjusting anti-backlash compensation. A ScrewRail® combines both guidance and load support functions in a single, coaxial component, saving as much as 80% of the space used by a two-rail system.
  • Continuous self-adjusting anti-backlash compensation
  • Available in four sizes
  • Stroke Lengths up to 1.5 meter
  • Kerkote® TFE coating and self-lubricating nut ensure long life without maintenance.


Size Tube O.D. Carriage O.D. Max Stroke Max Load Motorized Rail only Guide Only Major Attribute
Units mm mm m N
Non - Motorized without Anti-Backlash
SRA 03 9.32 24.9 1.6 45 X Very Compact, Tubular
SRA 04 12.5 31.8 1.6 110 X
SRA 06 18.9 44.5 1.6 220 X
SRA 08 25.2 56.6 1.6 440 X
Non - Motorized with Anti-Backlash

SRZ 03 9.32 24.9 1.6
45 X X Very Compact, Tubular , has anti-backlash nut
SRZ 04 12.5 33.3 1.6 110 X X
SRZ 06 18.9 46 1.6 220 X X
SRZ 08 25.2 58.4 1.6 440 X X