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Flexible and cost efficient use

Continuous Rotation
Damping torque 0.44 in-lbs

The damping direction of the ACE FRT-D2 and FRN-D2 rotary dampers with plastic body is either the right, left or two-sided rotation. They can decelerate directly in the pivot point or linear through a gear and gear rack. ACE rotary dampers are maintenance-free and ready-to-install.

CAD Drawings


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Continuous Rotation

Technical Data

Damping torque 0.44 in-lbs

Damping direction left

Gear without

Construction size Ø 1 in

Rotational speed max. 50 rpm

Lifetime 50,000 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 32 °F to 122 °F

Pressure angle 20°

Mounting In any position

Tooth Involute gearing (addendum modification coefficient: +0.375)

P.C.D. 0.47 in

No. of teeth 12

Module 1


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

Mounting information

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 designs available on request. Toothed plastic racks (modules 0.5 to 1.0) are available for the rotary dampers with pinions.

General information

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