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  1. Power Transmission - Mechanical components
  2. Mechanical Transmission
  3. Ball bearing torque limiter
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Ball bearing torque limiter SIKUMAT® ST series
friction-free

Ball bearing torque limiter - SIKUMAT® ST series - RINGSPANN - friction-free
Ball bearing torque limiter - SIKUMAT® ST series - RINGSPANN - friction-free
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Characteristics

Operation
ball bearing, friction-free
Torque

Max.: 740 Nm
(545.79599 ft.lb)

Min.: 5 Nm
(3.687811 ft.lb)

Diameter

Max.: 60 mm
(2.36 in)

Min.: 10 mm
(0.39 in)

Rotational speed

1,200 rpm, 2,000 rpm, 2,500 rpm, 3,000 rpm, 4,000 rpm
(7,539.8224 rad.min-1, 12,566.3706 rad.min-1, 15,707.9633 rad.min-1, 18,849.5559 rad.min-1, 25,132.7412 rad.min-1)

Description

• Backlash free in both directions of rotation • Compact design • Integral ball bearing for supporting the component to be connected • Very high response accuracy through the ball principle • Simple and backlash free fastening onto shaft with integral cone clamping element • Calibrated micro adjustment of torque setting possible, even post-installation Function • When the preset limit torque has been reached the SIKUMAT® ratchets through. • Automatic re-engagement of the SIKUMAT® after the overload has been eliminated. • The overload can be indicated by a proximity switch. This means that the drive can be switched off immediately or another control function can be activated.

Catalogs

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Exhibitions

Meet this supplier at the following exhibition(s):

HILLHEAD
HILLHEAD

23-25 Jun 2026 Buxton (United Kingdom) Stand RD21

  • More information
    EXPOSIBRAM
    EXPOSIBRAM

    24-27 Aug 2026 Belo Horizonte (Brazil)

  • More information
    See all exhibitions

    Other RINGSPANN products

    Overload Clutches

    *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.