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Powerhouse in long body length

Radial Damping, Long Version
Energy capacity 63.7 in-lbs/Cycle to 68,151 in-lbs/Cycle
Maximum stroke 0.67 in to 4.25 in

Designed for applications with long and soft deceleration: The ACE TUBUS range TR-L radial tube dampers are maintenance-free, ready-to-install elements made of co-polyester elastomer.

Their radial load offers designers a very long and soft deceleration with a progressive reduction in energy at the end of the stroke. The TR-L range has been specially developed for a maximum stroke with a minimum height and a range of 63.7 in-lbs to 95,411 in-lbs (7.2 Nm to 10,780 Nm). The absorption capacity is dependent on the length of the selected tube damper. These models are available in sizes between Ø 1.14" and Ø 46.77". (Ø 29 mm and Ø 188 mm).

The TUBUS TR-L is used where impact or collision protection is necessary along a straight line e.g. on shovels in mining equipment, loading and lifting devices, dock systems in shipbuilding or luggage and transport belts.

Technical Data

Energy capacity 63.7 in-lbs/Cycle to 68,151 in-lbs/Cycle

Stroke max. 0.67 in to 4.25 in

Energy absorption 26 % to 41 %

Dynamic force range 295 lbs to 48,941 lbs

Operating temperature range -40 °F to 194 °F

Construction size 1.14 in to 7.40 in

Mounting In any position

Material hardness rating Shore 55D

Material Profile body: Co-Polyester Elastomer

Environment Resistant to microbes, seawater or chemical attack. Excellent UV and ozone resistance. Material does not absorb water or swell.

Impact velocity range Max. 16.4 ft/sec

Torque max. M5: 2.21 ft-lbs
M8: 14.75 ft-lbs
M16: 29.50 ft-lbs (DIN912)
M16: 88.51 ft-lbs (Shouldered screw)

Application field Offshore industry, Agricultural machinery, Impact panels, Conveyor systems, Stacking units, Shipbuilding, Shovels or articulated joints for construction machinery, Transport roads, Loading and lifting equipment


Suitable for emergency stop applications and for continous use. For applications with preloading and increased temperatures please consult ACE.

Safety information

Mounting screw should additionally be secured with Loctite.


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