Rotary Dampers
FFD-30FW-R153

Precise braking without oil

Continuous Rotation
Damping torque 13.27 in-lbs

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 damper products are built to metric specifications. For precise measurements, please refer to the ACE rotary damper catalog or contact an application expert.

CAD Drawings

Product-Downloads

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FFD-30FW-R153
Continuous Rotation

Dimensions

FFD-30FW-R153
A1.18 inch
B0.39 inch
C0.75 inch
D0.12 inch
E1.81 inch
F1.5 inch
G1.02 inch
H0.4 inch
I0.87 inch
J0.15 inch

Technical Data

Execution Flange assembly, bi-directional bearing

Damping torque 13.27 in-lbs

Damping direction right

Construction size Ø 0.98 in to 1.18 in

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 14 °F to 140 °F

Material Outer body: Plastic

Mounting In any position

Information to the shaft Ø +0 / -0.001
Hardness > HRC55, surface smoothness RZ < 1µm inch

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.

General information
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