Ball bearing torque limiter SIKUMAT® SU
compactbacklash-free

Ball bearing torque limiter - SIKUMAT® SU - RINGSPANN - compact / backlash-free
Ball bearing torque limiter - SIKUMAT® SU - RINGSPANN - compact / backlash-free
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Characteristics

Operation
ball bearing
Other characteristics
compact, backlash-free
Torque

Max.: 600,000,000 Nm
(442,537,289.566359 ft.lb)

Min.: 0 Nm
(0 ft.lb)

Description

Synchronous ratcheting – Backlash free – with balls

Advantages
  • Backlash free in both directions of rotation
  • Compact design with high power density
  • Integral ball bearing to support the driven component
  • Very high response accuracy thanks to the ball principle
  • Simple, backlash-free mounting on shaft using integral cone clamping element
  • Calibrated micro adjustment of torque setting possible, even post-installation


Function
  • When the preset limit torque is reached, the SIKUMAT® ratchets through without backlash
  • After removal of the overload, the SIKUMAT® automatically and synchronously re-engages to the start position after 360°
  • An overload can be signalled by a proximity switch, enabling immediate shutdown of the drive or activation of another control function


Product information
  • Datasheet SU (PDF)


Characteristics / technical specifications
  • Type: Positive torque limiter (synchronous ratcheting)
  • Backlash: Backlash free in both rotation directions
  • Design: Compact with integral ball bearing
  • Torque setting: Calibrated micro adjustment, adjustable post-installation
  • Mounting: Backlash-free shaft fastening via integral cone clamping element
  • Re-engagement: Automatic synchronous re-engagement to start position after 360° following overload removal
  • Overload signalling: Compatible with proximity switch for overload indication
  • Precision: Very high response accuracy due to the ball principle

Catalogs

Exhibitions

Meet this supplier at the following exhibition(s):

EXPOSIBRAM 2026
EXPOSIBRAM 2026

24-27 Aug 2026 Belo Horizonte (Brazil)

  • More information
    Electra Mining Africa
    Electra Mining Africa

    7-11 Sep 2026 Johannesburg (South Africa)

  • More information
    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.