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Motion Control
Product Series
Product families
Basic Types
TYPESDamping torque NmDamping direction
FFD-25SS-R5020.5right
FFD-25SS-R1020.1right
FFD-25SS-R1031.0right
FFD-28SS-R5020.5right
FFD-28SS-R1020.1right
FFD-28SS-R1031.0right
FFD-30SS-R1020.1right
FFD-30SS-R5020.5right
FFD-30SS-R1031.0right
FFD-30SS-R1531.5right

Rotary Dampers
FFD-SS-R

Precise braking without oil

Continuous Rotation
Damping torque 0.1 Nm to 3 Nm

In comparison to other rotary dampers, the ACE FFD product family does not need any fluid to generate the damping torque, but rather works on the principle of friction. That means temperature or speed changes have virtually no influence on the damping torque. The FFD is available in two different body variants and two types of bearings. ACE rotary dampers are maintenance-free and ready-to-install.
Rotary Dampers
FFD-SS-R
Precise braking without oil
Continuous Rotation
Damping torque 0.1 Nm to 3 Nm
ACE Controls Inc. - Image - FFD-SS-R
ACE Stoßdämpfer GmbH © 2023
ACE Controls Inc. - Image - FFD-SS-R

Technical data

Execution standard assembly, one-sided bearing

Damping torque 0.1 Nm to 3 Nm

Damping direction right

Construction size Ø 25 mm to 30 mm

Rotational speed max. 30 rpm

Lifetime 30,000 cycles (1 cycle = 360° left-hand, 360° right-hand). Even after this time, the dampers still produce over approx. 80 % of their original damping moment. The service life may be significantly higher or lower, depending on the application.

Operating temperature range -10 °C to +60 °C

Material Outer body: plastic

Mounting in any position

Information to the shaft Ø +0 / -0.03
Hardness > HRC55, surface smoothness RZ < 1µm

Mounting information

Turn the shaft in the opposite direction to the brake direction to avoid damaging the freewheel mount. No axial or radial forces may be induced via the shaft.

Safety information

Do not use rotary dampers as supports. Provide an external guide or support.

On request

Special accessories available on request.

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