Rosta DR
Square suspension element

• Square suspension element
• Load up to 2,160 Nm per unit
• In several versions available

Rosta suspension element DR has a square housing. With its characteristic as a spring, pre tensioner, damper and bearing, the suspension unit can be multifunctional used. There are many applications for the rubber suspension elements, like play ground equipment, conveyer belt scraper etc. Ideal as a replacement for complicated, high maintenance components.

Rosta DR suspension element can be equipped with

• A hollow square in profile.
• A square inner profile with 1, 2 or 4 (threaded) holes.

Rubber suspension units are available in other basic versions

• Round housing
• With clamps
• With flanges.
• With welded-on bracket.
• Etc.

Rosta can offer different standard rubber qualities depending on specific application and environment like food, oils, dirt, etc

• Rubmix 10 – Standard quality
• Rubmix 20 – Good oil resistance
• Rubmix 40 – High temperature resistance
• Rubmix 50 – Higher torque

After Rosta elements are assembled it is not possible anymore to weld to the housing. Rosta also offers several loose mounting systems for the rubber spring elements.

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Electric scooter with Rosta suspension units

Electric scooters equipped with Rosta rubber suspension units in the moving axles.

The damping effect of the suspension unit ensures minimal play when cornering. This reduces vibrations and absorbs shocks, even on rough and uneven surfaces.

The rubber suspension units are completely maintenance-free.

Rosta is suitable for a wide range of applications in (E-)mobility, such as:

• E-scooters
• Electric bicycles
• Mobility scooters
• Electric cargo bikes

Playground equipment with Rosta suspension units

In playground equipment such as all kind of swings, rocking animals and see-saws ROSTA suspension units are ideal for maintenance free and more vandal-proof damping and spring function.

Mini buggy with Rosta tensioner device

Wheel suspension in a mini buggy with maintenance free ROSTA rubber suspension units.

Front wheel suspension: Rosta SE 18 tensioner.

Rear wheel suspension: Rosta DR-S 27x40 rubber suspension units.