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Compact size and soft deceleration

Radial Damping
Energy capacity 20.4 in-lbs/cycle
Stroke max. 0.87 inch

For long, soft braking action: The TUBUS TR models deliver linear damping forces. These maintenance-free, ready-to-install elements are made of co-polyester elastomer, which only heats up slightly during operation and therefore provides consistent damping.

The radial loading enables a very long and soft deceleration with progressive energy reduction at the end of the stroke. The TR product family has been specially designed for maximum stroke with a minimum height, producing energy absorption per stroke extending from 10.6 in-lbs to 1,292 in-lbs. (1.2 Nm to 146 Nm). The dampers are available in compact formats of Ø 1.14" to Ø 3.94"(Ø 29 mm to Ø 100 mm) and are supplied with a special screw for simple, quick assembly.

CAD Drawings


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Radial Damping


Stroke max.0.87 inch
A1.26 inch
B0.75 inch
C1.46 inch
D1.97 inch
MM5 inch
LM0.20 inch

Technical Data

Energy capacity 20.4 in-lbs/cycle

Energy capacity emergency use 47.8 in-lbs/cycle

Energy absorption 25 % to 45 %

Dynamic force range 49 lbs to 1,686 lbs

Operating temperature range -40 °F to 194 °F

Construction size 1.14 in to 3.93 in

Mounting In any position

Material hardness rating Shore 40D Shore

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
M6: 4.43 ft-lbs
M8: 14.75 ft-lbs


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.

General information

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