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Servomech - linear actuator BSA

  • Speed up to 100 mm/s
  • Load capacity up to 600kN in push or pull
  • IEC frame ac/dc motor options
  • Ball screw driven

Product description

Right angle design linear actuators


Rear hinged attachments. High precision worm gearbox, ZI involute profile.

Lubrication with synthetic grease (gearbox long life lubricated, screw drive regreasable).


BSA Series ball screw drive linear actuators:

11 standard sizes available

Ball screw from Ø 14 mm to Ø 120 mm

Linear speed from 2,3 mm/s to 100 mm/s

Load capacity from 4 kN to 600 kN

Standard stroke length up to 1.000 mm, special stroke length also available upon request

Performances with Duty Cycle Fi = 1000 % over 10 min at ambient temperature 25 °C


Available accessories:

Stroke length limit device (electric, magnetic or inductive proximity)

Incremental or absolute encoder for positioning control

Prepared for IEC standard motors, AC or DC motors

Anti-turn device

Safety clutch

Safety nut

Protective bellows


More option upon request, application dependant:

Push rod in stainless steel AISI 304

Outer tube in stainless steel AISI 304

Lubricants for high or low ambient temperature

Lubricants suitable for food industry

VITON or silicone special seals

Wiper seal on push rod with second lip in brass (ice scrapers)

Part numbers

Parts Price Force max Max. speed Static load max
4000 N 60 mm/s 4000 N
6000 N 60 mm/s 6000 N
9000 N 60 mm/s 9000 N
12000 N 56 mm/s 12000 N
25000 N 78 mm/s 25000 N
47000 N 66 mm/s 47000 N
81000 N 58 mm/s 81000 N


BSA 20

Technical data

Duty cycle 100 %
Force max 4000 N
IP class IP55
Max. speed 60 mm/s
Static load max 4000 N
Stroke max 800 mm
Stroke min 100 mm
Supply voltage 24 V DC, 230 V AC, 3x230 V AC, 3x400 V AC
Temperature operational max 40 °C
Temperature operational min -10 °C
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